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<caption><span id="t0" class="activeTableTab"><span>All Classes</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Interface Summary</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Class Summary</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Enum Summary</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Exception Summary</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Annotation Types Summary</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/AnotB.html" title="class in org.apache.datasketches.theta">AnotB</a></td>
<th class="colLast" scope="row">
<div class="block">Computes a set difference, A-AND-NOT-B, of two theta sketches.</div>
</th>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/AnotB.html" title="class in org.apache.datasketches.tuple">AnotB</a>&lt;<a href="org/apache/datasketches/tuple/AnotB.html" title="type parameter in AnotB">S</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Computes a set difference, A-AND-NOT-B, of two generic tuple sketches.</div>
</th>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/ArrayOfBooleansSerDe.html" title="class in org.apache.datasketches.common">ArrayOfBooleansSerDe</a></td>
<th class="colLast" scope="row">
<div class="block">Methods of serializing and deserializing arrays of Boolean as a bit array.</div>
</th>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesAnotB.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesAnotB</a></td>
<th class="colLast" scope="row">
<div class="block">Computes a set difference of two tuple sketches of type ArrayOfDoubles</div>
</th>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesAnotBImpl.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesAnotBImpl</a></td>
<th class="colLast" scope="row">
<div class="block">Computes a set difference, A-AND-NOT-B, of two ArrayOfDoublesSketches.</div>
</th>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesCombiner.html" title="interface in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesCombiner</a></td>
<th class="colLast" scope="row">
<div class="block">Combines two arrays of double values for use with ArrayOfDoubles tuple sketches</div>
</th>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesCompactSketch.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesCompactSketch</a></td>
<th class="colLast" scope="row">
<div class="block">Top level compact tuple sketch of type ArrayOfDoubles.</div>
</th>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesIntersection.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesIntersection</a></td>
<th class="colLast" scope="row">
<div class="block">Computes the intersection of two or more tuple sketches of type ArrayOfDoubles.</div>
</th>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/ArrayOfDoublesSerDe.html" title="class in org.apache.datasketches.common">ArrayOfDoublesSerDe</a></td>
<th class="colLast" scope="row">
<div class="block">Methods of serializing and deserializing arrays of Double.</div>
</th>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesSetOperationBuilder.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesSetOperationBuilder</a></td>
<th class="colLast" scope="row">
<div class="block">Builds set operations object for tuple sketches of type ArrayOfDoubles.</div>
</th>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesSketch.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesSketch</a></td>
<th class="colLast" scope="row">
<div class="block">The base class for the tuple sketch of type ArrayOfDoubles, where an array of double values
is associated with each key.</div>
</th>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesSketches.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesSketches</a></td>
<th class="colLast" scope="row">
<div class="block">Convenient static methods to instantiate tuple sketches of type ArrayOfDoubles.</div>
</th>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesSketchIterator.html" title="interface in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesSketchIterator</a></td>
<th class="colLast" scope="row">
<div class="block">Interface for iterating over tuple sketches of type ArrayOfDoubles</div>
</th>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesUnion.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesUnion</a></td>
<th class="colLast" scope="row">
<div class="block">The base class for unions of tuple sketches of type ArrayOfDoubles.</div>
</th>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesUpdatableSketch.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesUpdatableSketch</a></td>
<th class="colLast" scope="row">
<div class="block">The top level for updatable tuple sketches of type ArrayOfDoubles.</div>
</th>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/arrayofdoubles/ArrayOfDoublesUpdatableSketchBuilder.html" title="class in org.apache.datasketches.tuple.arrayofdoubles">ArrayOfDoublesUpdatableSketchBuilder</a></td>
<th class="colLast" scope="row">
<div class="block">For building a new ArrayOfDoublesUpdatableSketch</div>
</th>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/ArrayOfItemsSerDe.html" title="class in org.apache.datasketches.common">ArrayOfItemsSerDe</a>&lt;<a href="org/apache/datasketches/common/ArrayOfItemsSerDe.html" title="type parameter in ArrayOfItemsSerDe">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Base class for serializing and deserializing custom types.</div>
</th>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/common/ArrayOfLongsSerDe.html" title="class in org.apache.datasketches.common">ArrayOfLongsSerDe</a></td>
<th class="colLast" scope="row">
<div class="block">Methods of serializing and deserializing arrays of Long.</div>
</th>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/ArrayOfNumbersSerDe.html" title="class in org.apache.datasketches.common">ArrayOfNumbersSerDe</a></td>
<th class="colLast" scope="row">
<div class="block">Methods of serializing and deserializing arrays of the object version of primitive types of
Number.</div>
</th>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/common/ArrayOfStringsSerDe.html" title="class in org.apache.datasketches.common">ArrayOfStringsSerDe</a></td>
<th class="colLast" scope="row">
<div class="block">Methods of serializing and deserializing arrays of String.</div>
</th>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/strings/ArrayOfStringsSketch.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSketch</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/strings/ArrayOfStringsSummary.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSummary</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/strings/ArrayOfStringsSummaryDeserializer.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSummaryDeserializer</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/strings/ArrayOfStringsSummaryFactory.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSummaryFactory</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/strings/ArrayOfStringsSummarySetOperations.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSummarySetOperations</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/common/ArrayOfUtf16StringsSerDe.html" title="class in org.apache.datasketches.common">ArrayOfUtf16StringsSerDe</a></td>
<th class="colLast" scope="row">
<div class="block">Methods of serializing and deserializing arrays of String.</div>
</th>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/BinarySearch.html" title="class in org.apache.datasketches.quantilescommon">BinarySearch</a></td>
<th class="colLast" scope="row">
<div class="block">Contains common equality binary search algorithms.</div>
</th>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/BinomialBoundsN.html" title="class in org.apache.datasketches.thetacommon">BinomialBoundsN</a></td>
<th class="colLast" scope="row">
<div class="block">This class enables the estimation of error bounds given a sample set size, the sampling
probability theta, the number of standard deviations and a simple noDataSeen flag.</div>
</th>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/BitPacking.html" title="class in org.apache.datasketches.theta">BitPacking</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/common/BoundsOnBinomialProportions.html" title="class in org.apache.datasketches.common">BoundsOnBinomialProportions</a></td>
<th class="colLast" scope="row">
<div class="block">Confidence intervals for binomial proportions.</div>
</th>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/BoundsOnRatiosInSampledSets.html" title="class in org.apache.datasketches.common">BoundsOnRatiosInSampledSets</a></td>
<th class="colLast" scope="row">
<div class="block">This class is used to compute the bounds on the estimate of the ratio <i>|B| / |A|</i>, where:
<i>|A|</i> is the unknown size of a set <i>A</i> of unique identifiers.
<i>|B|</i> is the unknown size of a subset <i>B</i> of <i>A</i>.
<i>a</i> = <i>|S<sub>A</sub>|</i> is the observed size of a sample of <i>A</i>
that was obtained by Bernoulli sampling with a known inclusion probability <i>f</i>.
<i>b</i> = <i>|S<sub>A</sub> &cap; B|</i> is the observed size of a subset
of <i>S<sub>A</sub></i>.
</div>
</th>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/BoundsOnRatiosInThetaSketchedSets.html" title="class in org.apache.datasketches.thetacommon">BoundsOnRatiosInThetaSketchedSets</a></td>
<th class="colLast" scope="row">
<div class="block">This class is used to compute the bounds on the estimate of the ratio <i>B / A</i>, where:
<i>A</i> is a Theta Sketch of population <i>PopA</i>.
<i>B</i> is a Theta Sketch of population <i>PopB</i> that is a subset of <i>A</i>,
obtained by an intersection of <i>A</i> with some other Theta Sketch <i>C</i>,
which acts like a predicate or selection clause.
The estimate of the ratio <i>PopB/PopA</i> is
BoundsOnRatiosInThetaSketchedSets.getEstimateOfBoverA(<i>A, B</i>).
The Upper Bound estimate on the ratio PopB/PopA is
BoundsOnRatiosInThetaSketchedSets.getUpperBoundForBoverA(<i>A, B</i>).
The Lower Bound estimate on the ratio PopB/PopA is
BoundsOnRatiosInThetaSketchedSets.getLowerBoundForBoverA(<i>A, B</i>).
Note: The theta of <i>A</i> cannot be greater than the theta of <i>B</i>.</div>
</th>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/BoundsOnRatiosInTupleSketchedSets.html" title="class in org.apache.datasketches.thetacommon">BoundsOnRatiosInTupleSketchedSets</a></td>
<th class="colLast" scope="row">
<div class="block">This class is used to compute the bounds on the estimate of the ratio <i>B / A</i>, where:
<i>A</i> is a Tuple Sketch of population <i>PopA</i>.
<i>B</i> is a Tuple or Theta Sketch of population <i>PopB</i> that is a subset of <i>A</i>,
obtained by an intersection of <i>A</i> with some other Tuple or Theta Sketch <i>C</i>,
which acts like a predicate or selection clause.
The estimate of the ratio <i>PopB/PopA</i> is
BoundsOnRatiosInThetaSketchedSets.getEstimateOfBoverA(<i>A, B</i>).
The Upper Bound estimate on the ratio PopB/PopA is
BoundsOnRatiosInThetaSketchedSets.getUpperBoundForBoverA(<i>A, B</i>).
The Lower Bound estimate on the ratio PopB/PopA is
BoundsOnRatiosInThetaSketchedSets.getLowerBoundForBoverA(<i>A, B</i>).
Note: The theta of <i>A</i> cannot be greater than the theta of <i>B</i>.</div>
</th>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/common/ByteArrayUtil.html" title="class in org.apache.datasketches.common">ByteArrayUtil</a></td>
<th class="colLast" scope="row">
<div class="block">Useful methods for byte arrays.</div>
</th>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/ClassicUtil.html" title="class in org.apache.datasketches.quantiles">ClassicUtil</a></td>
<th class="colLast" scope="row">
<div class="block">Utilities for the classic quantiles sketches and independent of the type.</div>
</th>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/CompactDoublesSketch.html" title="class in org.apache.datasketches.quantiles">CompactDoublesSketch</a></td>
<th class="colLast" scope="row">
<div class="block">Compact sketches are inherently <i>read ony</i>.</div>
</th>
</tr>
<tr id="i36" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/CompactSketch.html" title="class in org.apache.datasketches.theta">CompactSketch</a></td>
<th class="colLast" scope="row">
<div class="block">The parent class of all the CompactSketches.</div>
</th>
</tr>
<tr id="i37" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a>&lt;<a href="org/apache/datasketches/tuple/CompactSketch.html" title="type parameter in CompactSketch">S</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">CompactSketches are never created directly.</div>
</th>
</tr>
<tr id="i38" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/cpc/CompressionCharacterization.html" title="class in org.apache.datasketches.cpc">CompressionCharacterization</a></td>
<th class="colLast" scope="row">
<div class="block">This code is used both by unit tests, for short running tests,
and by the characterization repository for longer running, more exhaustive testing.</div>
</th>
</tr>
<tr id="i39" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/cpc/CpcSketch.html" title="class in org.apache.datasketches.cpc">CpcSketch</a></td>
<th class="colLast" scope="row">
<div class="block">This is a unique-counting sketch that implements the
<i>Compressed Probabilistic Counting (CPC, a.k.a FM85)</i> algorithms developed by Kevin Lang in
his paper
<a href="https://arxiv.org/abs/1708.06839">Back to the Future: an Even More Nearly
Optimal Cardinality Estimation Algorithm</a>.</div>
</th>
</tr>
<tr id="i40" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/cpc/CpcUnion.html" title="class in org.apache.datasketches.cpc">CpcUnion</a></td>
<th class="colLast" scope="row">
<div class="block">The union (merge) operation for the CPC sketches.</div>
</th>
</tr>
<tr id="i41" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/cpc/CpcWrapper.html" title="class in org.apache.datasketches.cpc">CpcWrapper</a></td>
<th class="colLast" scope="row">
<div class="block">This provides a read-only view of a serialized image of a CpcSketch, which can be
on-heap or off-heap represented as a Memory object, or on-heap represented as a byte array.</div>
</th>
</tr>
<tr id="i42" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/DeserializeResult.html" title="class in org.apache.datasketches.tuple">DeserializeResult</a>&lt;<a href="org/apache/datasketches/tuple/DeserializeResult.html" title="type parameter in DeserializeResult">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Returns an object and its size in bytes as a result of a deserialize operation</div>
</th>
</tr>
<tr id="i43" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/adouble/DoubleSketch.html" title="class in org.apache.datasketches.tuple.adouble">DoubleSketch</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i44" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/DoublesSketch.html" title="class in org.apache.datasketches.quantiles">DoublesSketch</a></td>
<th class="colLast" scope="row">
<div class="block">This is an implementation of the Low Discrepancy Mergeable Quantiles Sketch, using doubles,
described in section 3.2 of the journal version of the paper "Mergeable Summaries"
by Agarwal, Cormode, Huang, Phillips, Wei, and Yi:</div>
</th>
</tr>
<tr id="i45" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/DoublesSketchBuilder.html" title="class in org.apache.datasketches.quantiles">DoublesSketchBuilder</a></td>
<th class="colLast" scope="row">
<div class="block">For building a new quantiles DoublesSketch.</div>
</th>
</tr>
<tr id="i46" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/DoublesSketchIterator.html" title="class in org.apache.datasketches.quantiles">DoublesSketchIterator</a></td>
<th class="colLast" scope="row">
<div class="block">Iterator over DoublesSketch.</div>
</th>
</tr>
<tr id="i47" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/DoublesSketchSortedView.html" title="class in org.apache.datasketches.quantiles">DoublesSketchSortedView</a></td>
<th class="colLast" scope="row">
<div class="block">The SortedView of the Classic Quantiles DoublesSketch.</div>
</th>
</tr>
<tr id="i48" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/DoublesSketchSortedViewIterator.html" title="class in org.apache.datasketches.quantiles">DoublesSketchSortedViewIterator</a></td>
<th class="colLast" scope="row">
<div class="block">Iterator over DoublesSketchSortedView.</div>
</th>
</tr>
<tr id="i49" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/DoublesSortedView.html" title="interface in org.apache.datasketches.quantilescommon">DoublesSortedView</a></td>
<th class="colLast" scope="row">
<div class="block">The Sorted View for quantiles of primitive type double.</div>
</th>
</tr>
<tr id="i50" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/DoublesSortedViewIterator.html" title="interface in org.apache.datasketches.quantilescommon">DoublesSortedViewIterator</a></td>
<th class="colLast" scope="row">
<div class="block">The quantiles SortedView iterator for type double.</div>
</th>
</tr>
<tr id="i51" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/adouble/DoubleSummary.html" title="class in org.apache.datasketches.tuple.adouble">DoubleSummary</a></td>
<th class="colLast" scope="row">
<div class="block">Summary for generic tuple sketches of type Double.</div>
</th>
</tr>
<tr id="i52" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/adouble/DoubleSummary.Mode.html" title="enum in org.apache.datasketches.tuple.adouble">DoubleSummary.Mode</a></td>
<th class="colLast" scope="row">
<div class="block">The aggregation modes for this Summary</div>
</th>
</tr>
<tr id="i53" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/adouble/DoubleSummaryDeserializer.html" title="class in org.apache.datasketches.tuple.adouble">DoubleSummaryDeserializer</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i54" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/adouble/DoubleSummaryFactory.html" title="class in org.apache.datasketches.tuple.adouble">DoubleSummaryFactory</a></td>
<th class="colLast" scope="row">
<div class="block">Factory for DoubleSummary.</div>
</th>
</tr>
<tr id="i55" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/adouble/DoubleSummarySetOperations.html" title="class in org.apache.datasketches.tuple.adouble">DoubleSummarySetOperations</a></td>
<th class="colLast" scope="row">
<div class="block">Methods for defining how unions and intersections of two objects of type DoubleSummary
are performed.</div>
</th>
</tr>
<tr id="i56" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/DoublesUnion.html" title="class in org.apache.datasketches.quantiles">DoublesUnion</a></td>
<th class="colLast" scope="row">
<div class="block">The API for Union operations for quantiles DoublesSketches</div>
</th>
</tr>
<tr id="i57" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/DoublesUnionBuilder.html" title="class in org.apache.datasketches.quantiles">DoublesUnionBuilder</a></td>
<th class="colLast" scope="row">
<div class="block">For building a new DoublesSketch Union operation.</div>
</th>
</tr>
<tr id="i58" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/frequencies/ErrorType.html" title="enum in org.apache.datasketches.frequencies">ErrorType</a></td>
<th class="colLast" scope="row">
<div class="block">Specifies one of two types of error regions of the statistical classification Confusion Matrix
that can be excluded from a returned sample of Frequent Items.</div>
</th>
</tr>
<tr id="i59" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/common/Family.html" title="enum in org.apache.datasketches.common">Family</a></td>
<th class="colLast" scope="row">
<div class="block">Defines the various families of sketch and set operation classes.</div>
</th>
</tr>
<tr id="i60" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/fdt/FdtSketch.html" title="class in org.apache.datasketches.fdt">FdtSketch</a></td>
<th class="colLast" scope="row">
<div class="block">A Frequent Distinct Tuples sketch.</div>
</th>
</tr>
<tr id="i61" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/Filter.html" title="class in org.apache.datasketches.tuple">Filter</a>&lt;<a href="org/apache/datasketches/tuple/Filter.html" title="type parameter in Filter">T</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Class for filtering entries from a <a href="org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple"><code>Sketch</code></a> given a <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple"><code>Summary</code></a></div>
</th>
</tr>
<tr id="i62" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/FloatsSortedView.html" title="interface in org.apache.datasketches.quantilescommon">FloatsSortedView</a></td>
<th class="colLast" scope="row">
<div class="block">The Sorted View for quantiles of primitive type float.</div>
</th>
</tr>
<tr id="i63" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/FloatsSortedViewIterator.html" title="interface in org.apache.datasketches.quantilescommon">FloatsSortedViewIterator</a></td>
<th class="colLast" scope="row">
<div class="block">The quantiles SortedView Iterator for type float.</div>
</th>
</tr>
<tr id="i64" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/GenericInequalitySearch.html" title="class in org.apache.datasketches.quantilescommon">GenericInequalitySearch</a></td>
<th class="colLast" scope="row">
<div class="block">This provides efficient, unique and unambiguous binary searching for inequality comparison criteria
for ordered arrays of values that may include duplicate values.</div>
</th>
</tr>
<tr id="i65" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/GenericInequalitySearch.Inequality.html" title="enum in org.apache.datasketches.quantilescommon">GenericInequalitySearch.Inequality</a></td>
<th class="colLast" scope="row">
<div class="block">The enumerator of inequalities</div>
</th>
</tr>
<tr id="i66" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/GenericSortedView.html" title="interface in org.apache.datasketches.quantilescommon">GenericSortedView</a>&lt;<a href="org/apache/datasketches/quantilescommon/GenericSortedView.html" title="type parameter in GenericSortedView">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">The Sorted View for quantiles of generic type.</div>
</th>
</tr>
<tr id="i67" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/GenericSortedViewIterator.html" title="interface in org.apache.datasketches.quantilescommon">GenericSortedViewIterator</a>&lt;<a href="org/apache/datasketches/quantilescommon/GenericSortedViewIterator.html" title="type parameter in GenericSortedViewIterator">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">The quantiles SortedView Iterator for generic types.</div>
</th>
</tr>
<tr id="i68" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/fdt/Group.html" title="class in org.apache.datasketches.fdt">Group</a></td>
<th class="colLast" scope="row">
<div class="block">Defines a Group from a Frequent Distinct Tuple query.</div>
</th>
</tr>
<tr id="i69" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/HashIterator.html" title="interface in org.apache.datasketches.theta">HashIterator</a></td>
<th class="colLast" scope="row">
<div class="block">This is used to iterate over the retained hash values of the Theta sketch.</div>
</th>
</tr>
<tr id="i70" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/HashOperations.html" title="class in org.apache.datasketches.thetacommon">HashOperations</a></td>
<th class="colLast" scope="row">
<div class="block">Helper class for the common hash table methods.</div>
</th>
</tr>
<tr id="i71" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/hll/HllSketch.html" title="class in org.apache.datasketches.hll">HllSketch</a></td>
<th class="colLast" scope="row">
<div class="block">The HllSketch is actually a collection of compact implementations of Phillipe Flajolet’s HyperLogLog (HLL)
sketch but with significantly improved error behavior and excellent speed performance.</div>
</th>
</tr>
<tr id="i72" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/InequalitySearch.html" title="enum in org.apache.datasketches.quantilescommon">InequalitySearch</a></td>
<th class="colLast" scope="row">
<div class="block">This provides efficient, unique and unambiguous binary searching for inequality comparison criteria
for ordered arrays of values that may include duplicate values.</div>
</th>
</tr>
<tr id="i73" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/aninteger/IntegerSketch.html" title="class in org.apache.datasketches.tuple.aninteger">IntegerSketch</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i74" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/aninteger/IntegerSummary.html" title="class in org.apache.datasketches.tuple.aninteger">IntegerSummary</a></td>
<th class="colLast" scope="row">
<div class="block">Summary for generic tuple sketches of type Integer.</div>
</th>
</tr>
<tr id="i75" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/aninteger/IntegerSummary.Mode.html" title="enum in org.apache.datasketches.tuple.aninteger">IntegerSummary.Mode</a></td>
<th class="colLast" scope="row">
<div class="block">The aggregation modes for this Summary</div>
</th>
</tr>
<tr id="i76" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/aninteger/IntegerSummaryDeserializer.html" title="class in org.apache.datasketches.tuple.aninteger">IntegerSummaryDeserializer</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i77" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/aninteger/IntegerSummaryFactory.html" title="class in org.apache.datasketches.tuple.aninteger">IntegerSummaryFactory</a></td>
<th class="colLast" scope="row">
<div class="block">Factory for IntegerSummary.</div>
</th>
</tr>
<tr id="i78" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/aninteger/IntegerSummarySetOperations.html" title="class in org.apache.datasketches.tuple.aninteger">IntegerSummarySetOperations</a></td>
<th class="colLast" scope="row">
<div class="block">Methods for defining how unions and intersections of two objects of type IntegerSummary
are performed.</div>
</th>
</tr>
<tr id="i79" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/Intersection.html" title="class in org.apache.datasketches.theta">Intersection</a></td>
<th class="colLast" scope="row">
<div class="block">The API for intersection operations</div>
</th>
</tr>
<tr id="i80" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/Intersection.html" title="class in org.apache.datasketches.tuple">Intersection</a>&lt;<a href="org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Computes an intersection of two or more generic tuple sketches or generic tuple sketches
combined with theta sketches.</div>
</th>
</tr>
<tr id="i81" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/frequencies/ItemsSketch.html" title="class in org.apache.datasketches.frequencies">ItemsSketch</a>&lt;<a href="org/apache/datasketches/frequencies/ItemsSketch.html" title="type parameter in ItemsSketch">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">This sketch is useful for tracking approximate frequencies of items of type <i>&lt;T&gt;</i>
with optional associated counts (<i>&lt;T&gt;</i> item, <i>long</i> count) that are members of a
multiset of such items.</div>
</th>
</tr>
<tr id="i82" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/ItemsSketch.html" title="class in org.apache.datasketches.quantiles">ItemsSketch</a>&lt;<a href="org/apache/datasketches/quantiles/ItemsSketch.html" title="type parameter in ItemsSketch">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">This is an implementation of the Low Discrepancy Mergeable Quantiles Sketch, using generic items,
described in section 3.2 of the journal version of the paper "Mergeable Summaries"
by Agarwal, Cormode, Huang, Phillips, Wei, and Yi:</div>
</th>
</tr>
<tr id="i83" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/frequencies/ItemsSketch.Row.html" title="class in org.apache.datasketches.frequencies">ItemsSketch.Row</a>&lt;<a href="org/apache/datasketches/frequencies/ItemsSketch.Row.html" title="type parameter in ItemsSketch.Row">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Row class that defines the return values from a getFrequentItems query.</div>
</th>
</tr>
<tr id="i84" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/ItemsSketchIterator.html" title="class in org.apache.datasketches.quantiles">ItemsSketchIterator</a>&lt;<a href="org/apache/datasketches/quantiles/ItemsSketchIterator.html" title="type parameter in ItemsSketchIterator">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Iterator over ItemsSketch.</div>
</th>
</tr>
<tr id="i85" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/ItemsSketchSortedView.html" title="class in org.apache.datasketches.quantiles">ItemsSketchSortedView</a>&lt;<a href="org/apache/datasketches/quantiles/ItemsSketchSortedView.html" title="type parameter in ItemsSketchSortedView">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">The SortedView of the Classic Quantiles ItemsSketch.</div>
</th>
</tr>
<tr id="i86" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/ItemsSketchSortedViewIterator.html" title="class in org.apache.datasketches.quantiles">ItemsSketchSortedViewIterator</a>&lt;<a href="org/apache/datasketches/quantiles/ItemsSketchSortedViewIterator.html" title="type parameter in ItemsSketchSortedViewIterator">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Iterator over ItemsSketchSortedView.</div>
</th>
</tr>
<tr id="i87" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/ItemsUnion.html" title="class in org.apache.datasketches.quantiles">ItemsUnion</a>&lt;<a href="org/apache/datasketches/quantiles/ItemsUnion.html" title="type parameter in ItemsUnion">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">The API for Union operations for generic ItemsSketches</div>
</th>
</tr>
<tr id="i88" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/JaccardSimilarity.html" title="class in org.apache.datasketches.theta">JaccardSimilarity</a></td>
<th class="colLast" scope="row">
<div class="block">Jaccard similarity of two Theta Sketches.</div>
</th>
</tr>
<tr id="i89" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/JaccardSimilarity.html" title="class in org.apache.datasketches.tuple">JaccardSimilarity</a></td>
<th class="colLast" scope="row">
<div class="block">Jaccard similarity of two Tuple Sketches, or alternatively, of a Tuple and Theta Sketch.</div>
</th>
</tr>
<tr id="i90" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllDoublesSketch.html" title="class in org.apache.datasketches.kll">KllDoublesSketch</a></td>
<th class="colLast" scope="row">
<div class="block">This variation of the KllSketch implements primitive doubles.</div>
</th>
</tr>
<tr id="i91" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllDoublesSketchIterator.html" title="class in org.apache.datasketches.kll">KllDoublesSketchIterator</a></td>
<th class="colLast" scope="row">
<div class="block">Iterator over KllDoublesSketch.</div>
</th>
</tr>
<tr id="i92" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllDoublesSketchSortedView.html" title="class in org.apache.datasketches.kll">KllDoublesSketchSortedView</a></td>
<th class="colLast" scope="row">
<div class="block">The SortedView of the KllDoublesSketch.</div>
</th>
</tr>
<tr id="i93" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllDoublesSketchSortedViewIterator.html" title="class in org.apache.datasketches.kll">KllDoublesSketchSortedViewIterator</a></td>
<th class="colLast" scope="row">
<div class="block">Iterator over KllDoublesSketchSortedView</div>
</th>
</tr>
<tr id="i94" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllFloatsSketch.html" title="class in org.apache.datasketches.kll">KllFloatsSketch</a></td>
<th class="colLast" scope="row">
<div class="block">This variation of the KllSketch implements primitive floats.</div>
</th>
</tr>
<tr id="i95" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllFloatsSketchIterator.html" title="class in org.apache.datasketches.kll">KllFloatsSketchIterator</a></td>
<th class="colLast" scope="row">
<div class="block">Iterator over KllFloatsSketch.</div>
</th>
</tr>
<tr id="i96" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllFloatsSketchSortedView.html" title="class in org.apache.datasketches.kll">KllFloatsSketchSortedView</a></td>
<th class="colLast" scope="row">
<div class="block">The SortedView of the KllFloatsSketch.</div>
</th>
</tr>
<tr id="i97" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllFloatsSketchSortedViewIterator.html" title="class in org.apache.datasketches.kll">KllFloatsSketchSortedViewIterator</a></td>
<th class="colLast" scope="row">
<div class="block">Iterator over KllFloatsSketchSortedView</div>
</th>
</tr>
<tr id="i98" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllSketch.html" title="class in org.apache.datasketches.kll">KllSketch</a></td>
<th class="colLast" scope="row">
<div class="block">This class is the root of the KLL sketch class hierarchy.</div>
</th>
</tr>
<tr id="i99" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/kll/KllSketch.SketchType.html" title="enum in org.apache.datasketches.kll">KllSketch.SketchType</a></td>
<th class="colLast" scope="row">
<div class="block">Used to define the variable type of the current instance of this class.</div>
</th>
</tr>
<tr id="i100" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/frequencies/LongsSketch.html" title="class in org.apache.datasketches.frequencies">LongsSketch</a></td>
<th class="colLast" scope="row">
<div class="block">This sketch is useful for tracking approximate frequencies of <i>long</i> items with optional
associated counts (<i>long</i> item, <i>long</i> count) that are members of a multiset of
such items.</div>
</th>
</tr>
<tr id="i101" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/frequencies/LongsSketch.Row.html" title="class in org.apache.datasketches.frequencies">LongsSketch.Row</a></td>
<th class="colLast" scope="row">
<div class="block">Row class that defines the return values from a getFrequentItems query.</div>
</th>
</tr>
<tr id="i102" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/cpc/MergingValidation.html" title="class in org.apache.datasketches.cpc">MergingValidation</a></td>
<th class="colLast" scope="row">
<div class="block">This code is used both by unit tests, for short running tests,
and by the characterization repository for longer running, more exhaustive testing.</div>
</th>
</tr>
<tr id="i103" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/hash/MurmurHash3.html" title="class in org.apache.datasketches.hash">MurmurHash3</a></td>
<th class="colLast" scope="row">
<div class="block">
The MurmurHash3 is a fast, non-cryptographic, 128-bit hash function that has
excellent avalanche and 2-way bit independence properties.</div>
</th>
</tr>
<tr id="i104" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/hash/MurmurHash3Adaptor.html" title="class in org.apache.datasketches.hash">MurmurHash3Adaptor</a></td>
<th class="colLast" scope="row">
<div class="block">A general purpose wrapper for the MurmurHash3.</div>
</th>
</tr>
<tr id="i105" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/PairwiseSetOperations.html" title="class in org.apache.datasketches.theta">PairwiseSetOperations</a></td>
<th class="colLast" scope="row">Deprecated.
<div class="deprecationComment">v2.0.0.</div>
</th>
</tr>
<tr id="i106" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/fdt/PostProcessor.html" title="class in org.apache.datasketches.fdt">PostProcessor</a></td>
<th class="colLast" scope="row">
<div class="block">This processes the contents of a FDT sketch to extract the
primary keys with the most frequent unique combinations of the non-primary dimensions.</div>
</th>
</tr>
<tr id="i107" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesAPI.html" title="interface in org.apache.datasketches.quantilescommon">QuantilesAPI</a></td>
<th class="colLast" scope="row">
<div class="block">This is a stochastic streaming sketch that enables near-real time analysis of the
approximate distribution of items from a very large stream in a single pass, requiring only
that the items are comparable.</div>
</th>
</tr>
<tr id="i108" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesDoublesAPI.html" title="interface in org.apache.datasketches.quantilescommon">QuantilesDoublesAPI</a></td>
<th class="colLast" scope="row">
<div class="block">The Quantiles API for item type <i>double</i>.</div>
</th>
</tr>
<tr id="i109" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesDoublesAPI.DoublesPartitionBoundaries.html" title="class in org.apache.datasketches.quantilescommon">QuantilesDoublesAPI.DoublesPartitionBoundaries</a></td>
<th class="colLast" scope="row">
<div class="block">This encapsulates the essential information needed to construct actual partitions and is returned from the
<i>getPartitionBoundaries(int, QuantileSearchCritera)</i> method.</div>
</th>
</tr>
<tr id="i110" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesDoublesSketchIterator.html" title="interface in org.apache.datasketches.quantilescommon">QuantilesDoublesSketchIterator</a></td>
<th class="colLast" scope="row">
<div class="block">The quantiles sketch iterator for primitive type double.</div>
</th>
</tr>
<tr id="i111" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantileSearchCriteria.html" title="enum in org.apache.datasketches.quantilescommon">QuantileSearchCriteria</a></td>
<th class="colLast" scope="row">
<div class="block">These search criteria are used by the KLL, REQ and Classic Quantiles sketches in the DataSketches library.</div>
</th>
</tr>
<tr id="i112" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesFloatsAPI.html" title="interface in org.apache.datasketches.quantilescommon">QuantilesFloatsAPI</a></td>
<th class="colLast" scope="row">
<div class="block">The Quantiles API for item type <i>float</i>.</div>
</th>
</tr>
<tr id="i113" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesFloatsAPI.FloatsPartitionBoundaries.html" title="class in org.apache.datasketches.quantilescommon">QuantilesFloatsAPI.FloatsPartitionBoundaries</a></td>
<th class="colLast" scope="row">
<div class="block">This encapsulates the essential information needed to construct actual partitions and is returned from the
<i>getPartitionBoundaries(int, QuantileSearchCritera)</i> method.</div>
</th>
</tr>
<tr id="i114" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesFloatsSketchIterator.html" title="interface in org.apache.datasketches.quantilescommon">QuantilesFloatsSketchIterator</a></td>
<th class="colLast" scope="row">
<div class="block">The quantiles sketch iterator for primitive type float.</div>
</th>
</tr>
<tr id="i115" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesGenericAPI.html" title="interface in org.apache.datasketches.quantilescommon">QuantilesGenericAPI</a>&lt;<a href="org/apache/datasketches/quantilescommon/QuantilesGenericAPI.html" title="type parameter in QuantilesGenericAPI">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">The Quantiles API for item type <i>generic</i>.</div>
</th>
</tr>
<tr id="i116" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesGenericAPI.GenericPartitionBoundaries.html" title="class in org.apache.datasketches.quantilescommon">QuantilesGenericAPI.GenericPartitionBoundaries</a>&lt;<a href="org/apache/datasketches/quantilescommon/QuantilesGenericAPI.GenericPartitionBoundaries.html" title="type parameter in QuantilesGenericAPI.GenericPartitionBoundaries">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">This encapsulates the essential information needed to construct actual partitions and is returned from the
<i>getPartitionBoundaries(int, QuantileSearchCritera)</i> method.</div>
</th>
</tr>
<tr id="i117" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesGenericSketchIterator.html" title="interface in org.apache.datasketches.quantilescommon">QuantilesGenericSketchIterator</a>&lt;<a href="org/apache/datasketches/quantilescommon/QuantilesGenericSketchIterator.html" title="type parameter in QuantilesGenericSketchIterator">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">The quantiles sketch iterator for generic types.</div>
</th>
</tr>
<tr id="i118" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesSketchIterator.html" title="interface in org.apache.datasketches.quantilescommon">QuantilesSketchIterator</a></td>
<th class="colLast" scope="row">
<div class="block">This is the base interface for the SketchIterator hierarchy used for viewing the
non-ordered quantiles retained by a sketch.</div>
</th>
</tr>
<tr id="i119" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/QuantilesUtil.html" title="class in org.apache.datasketches.quantilescommon">QuantilesUtil</a></td>
<th class="colLast" scope="row">
<div class="block">Utilities for the quantiles sketches.</div>
</th>
</tr>
<tr id="i120" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/cpc/QuickMergingValidation.html" title="class in org.apache.datasketches.cpc">QuickMergingValidation</a></td>
<th class="colLast" scope="row">
<div class="block">This code is used both by unit tests, for short running tests,
and by the characterization repository for longer running, more exhaustive testing.</div>
</th>
</tr>
<tr id="i121" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/QuickSelect.html" title="class in org.apache.datasketches.thetacommon">QuickSelect</a></td>
<th class="colLast" scope="row">
<div class="block">QuickSelect algorithm improved from Sedgewick.</div>
</th>
</tr>
<tr id="i122" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/req/ReqDebug.html" title="interface in org.apache.datasketches.req">ReqDebug</a></td>
<th class="colLast" scope="row">
<div class="block">The signaling interface that allows comprehensive analysis of the ReqSketch and ReqCompactor
while eliminating code clutter in the main classes.</div>
</th>
</tr>
<tr id="i123" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/req/ReqSketch.html" title="class in org.apache.datasketches.req">ReqSketch</a></td>
<th class="colLast" scope="row">
<div class="block">This Relative Error Quantiles Sketch is the Java implementation based on the paper
"Relative Error Streaming Quantiles" by Graham Cormode, Zohar Karnin, Edo Liberty,
Justin Thaler, Pavel Veselý, and loosely derived from a Python prototype written by Pavel Veselý.</div>
</th>
</tr>
<tr id="i124" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/req/ReqSketchBuilder.html" title="class in org.apache.datasketches.req">ReqSketchBuilder</a></td>
<th class="colLast" scope="row">
<div class="block">For building a new ReqSketch</div>
</th>
</tr>
<tr id="i125" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/req/ReqSketchIterator.html" title="class in org.apache.datasketches.req">ReqSketchIterator</a></td>
<th class="colLast" scope="row">
<div class="block">Iterator over all retained items of the ReqSketch.</div>
</th>
</tr>
<tr id="i126" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/req/ReqSketchSortedView.html" title="class in org.apache.datasketches.req">ReqSketchSortedView</a></td>
<th class="colLast" scope="row">
<div class="block">The SortedView of the ReqSketch.</div>
</th>
</tr>
<tr id="i127" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/req/ReqSketchSortedViewIterator.html" title="class in org.apache.datasketches.req">ReqSketchSortedViewIterator</a></td>
<th class="colLast" scope="row">
<div class="block">Iterator over ReqSketchSortedView.</div>
</th>
</tr>
<tr id="i128" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/sampling/ReservoirItemsSketch.html" title="class in org.apache.datasketches.sampling">ReservoirItemsSketch</a>&lt;<a href="org/apache/datasketches/sampling/ReservoirItemsSketch.html" title="type parameter in ReservoirItemsSketch">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">This sketch provides a reservoir sample over an input stream of items.</div>
</th>
</tr>
<tr id="i129" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/sampling/ReservoirItemsUnion.html" title="class in org.apache.datasketches.sampling">ReservoirItemsUnion</a>&lt;<a href="org/apache/datasketches/sampling/ReservoirItemsUnion.html" title="type parameter in ReservoirItemsUnion">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Class to union reservoir samples of generic items.</div>
</th>
</tr>
<tr id="i130" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/sampling/ReservoirLongsSketch.html" title="class in org.apache.datasketches.sampling">ReservoirLongsSketch</a></td>
<th class="colLast" scope="row">
<div class="block">This sketch provides a reservoir sample over an input stream of <code>long</code>s.</div>
</th>
</tr>
<tr id="i131" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/sampling/ReservoirLongsUnion.html" title="class in org.apache.datasketches.sampling">ReservoirLongsUnion</a></td>
<th class="colLast" scope="row">
<div class="block">Class to union reservoir samples of longs.</div>
</th>
</tr>
<tr id="i132" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/ResizeFactor.html" title="enum in org.apache.datasketches.common">ResizeFactor</a></td>
<th class="colLast" scope="row">
<div class="block">For the Families that accept this configuration parameter, it controls the size multiple that
affects how fast the internal cache grows, when more space is required.</div>
</th>
</tr>
<tr id="i133" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/sampling/SampleSubsetSummary.html" title="class in org.apache.datasketches.sampling">SampleSubsetSummary</a></td>
<th class="colLast" scope="row">
<div class="block">A simple object o capture the results of a subset sum query on a sampling sketch.</div>
</th>
</tr>
<tr id="i134" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/SerializerDeserializer.html" title="class in org.apache.datasketches.tuple">SerializerDeserializer</a></td>
<th class="colLast" scope="row">
<div class="block">Multipurpose serializer-deserializer for a collection of sketches defined by the enum.</div>
</th>
</tr>
<tr id="i135" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/SerializerDeserializer.SketchType.html" title="enum in org.apache.datasketches.tuple">SerializerDeserializer.SketchType</a></td>
<th class="colLast" scope="row">
<div class="block">Defines the sketch classes that this SerializerDeserializer can handle.</div>
</th>
</tr>
<tr id="i136" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/SetOperation.html" title="class in org.apache.datasketches.theta">SetOperation</a></td>
<th class="colLast" scope="row">
<div class="block">The parent API for all Set Operations</div>
</th>
</tr>
<tr id="i137" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/SetOperationBuilder.html" title="class in org.apache.datasketches.theta">SetOperationBuilder</a></td>
<th class="colLast" scope="row">
<div class="block">For building a new SetOperation.</div>
</th>
</tr>
<tr id="i138" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/SetOperationCornerCases.html" title="class in org.apache.datasketches.thetacommon">SetOperationCornerCases</a></td>
<th class="colLast" scope="row">
<div class="block">Simplifies and speeds up set operations by resolving specific corner cases.</div>
</th>
</tr>
<tr id="i139" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/SetOperationCornerCases.AnotbAction.html" title="enum in org.apache.datasketches.thetacommon">SetOperationCornerCases.AnotbAction</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i140" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/SetOperationCornerCases.CornerCase.html" title="enum in org.apache.datasketches.thetacommon">SetOperationCornerCases.CornerCase</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i141" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/SetOperationCornerCases.IntersectAction.html" title="enum in org.apache.datasketches.thetacommon">SetOperationCornerCases.IntersectAction</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i142" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/SetOperationCornerCases.UnionAction.html" title="enum in org.apache.datasketches.thetacommon">SetOperationCornerCases.UnionAction</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i143" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/Sketch.html" title="class in org.apache.datasketches.theta">Sketch</a></td>
<th class="colLast" scope="row">
<div class="block">The top-level class for all sketches.</div>
</th>
</tr>
<tr id="i144" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;<a href="org/apache/datasketches/tuple/Sketch.html" title="type parameter in Sketch">S</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">This is an equivalent to org.apache.datasketches.theta.Sketch with
addition of a user-defined Summary object associated with every unique entry
in the sketch.</div>
</th>
</tr>
<tr id="i145" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/Sketches.html" title="class in org.apache.datasketches.theta">Sketches</a></td>
<th class="colLast" scope="row">
<div class="block">This class brings together the common sketch and set operation creation methods and
the public static methods into one place.</div>
</th>
</tr>
<tr id="i146" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/Sketches.html" title="class in org.apache.datasketches.tuple">Sketches</a></td>
<th class="colLast" scope="row">
<div class="block">Convenient static methods to instantiate generic tuple sketches.</div>
</th>
</tr>
<tr id="i147" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/common/SketchesArgumentException.html" title="class in org.apache.datasketches.common">SketchesArgumentException</a></td>
<th class="colLast" scope="row">
<div class="block">Illegal Arguments Exception class for the library</div>
</th>
</tr>
<tr id="i148" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/SketchesException.html" title="class in org.apache.datasketches.common">SketchesException</a></td>
<th class="colLast" scope="row">
<div class="block">Exception class for the library</div>
</th>
</tr>
<tr id="i149" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/common/SketchesReadOnlyException.html" title="class in org.apache.datasketches.common">SketchesReadOnlyException</a></td>
<th class="colLast" scope="row">
<div class="block">Write operation attempted on a read-only class.</div>
</th>
</tr>
<tr id="i150" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/SketchesStateException.html" title="class in org.apache.datasketches.common">SketchesStateException</a></td>
<th class="colLast" scope="row">
<div class="block">Illegal State Exception class for the library</div>
</th>
</tr>
<tr id="i151" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/SortedView.html" title="interface in org.apache.datasketches.quantilescommon">SortedView</a></td>
<th class="colLast" scope="row">
<div class="block">This is the base interface for the Sorted View interface hierarchy.</div>
</th>
</tr>
<tr id="i152" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantilescommon/SortedViewIterator.html" title="interface in org.apache.datasketches.quantilescommon">SortedViewIterator</a></td>
<th class="colLast" scope="row">
<div class="block">This is the base interface for the SortedViewIterator hierarchy used with a SortedView obtained
from a quantile-type sketch.</div>
</th>
</tr>
<tr id="i153" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/cpc/StreamingValidation.html" title="class in org.apache.datasketches.cpc">StreamingValidation</a></td>
<th class="colLast" scope="row">
<div class="block">This code is used both by unit tests, for short running tests,
and by the characterization repository for longer running, more exhaustive testing.</div>
</th>
</tr>
<tr id="i154" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a></td>
<th class="colLast" scope="row">
<div class="block">Interface for user-defined Summary, which is associated with every hash in a tuple sketch</div>
</th>
</tr>
<tr id="i155" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/SummaryDeserializer.html" title="interface in org.apache.datasketches.tuple">SummaryDeserializer</a>&lt;<a href="org/apache/datasketches/tuple/SummaryDeserializer.html" title="type parameter in SummaryDeserializer">S</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Interface for deserializing user-defined Summary</div>
</th>
</tr>
<tr id="i156" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/SummaryFactory.html" title="interface in org.apache.datasketches.tuple">SummaryFactory</a>&lt;<a href="org/apache/datasketches/tuple/SummaryFactory.html" title="type parameter in SummaryFactory">S</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Interface for user-defined SummaryFactory</div>
</th>
</tr>
<tr id="i157" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/SummarySetOperations.html" title="interface in org.apache.datasketches.tuple">SummarySetOperations</a>&lt;<a href="org/apache/datasketches/tuple/SummarySetOperations.html" title="type parameter in SummarySetOperations">S</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">This is to provide methods of producing unions and intersections of two Summary objects.</div>
</th>
</tr>
<tr id="i158" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/SuppressFBWarnings.html" title="annotation in org.apache.datasketches.common">SuppressFBWarnings</a></td>
<th class="colLast" scope="row">
<div class="block">Used to suppress SpotBug warnings.</div>
</th>
</tr>
<tr id="i159" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/cpc/TestUtil.html" title="class in org.apache.datasketches.cpc">TestUtil</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i160" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/hll/TgtHllType.html" title="enum in org.apache.datasketches.hll">TgtHllType</a></td>
<th class="colLast" scope="row">
<div class="block">Specifies the target type of HLL sketch to be created.</div>
</th>
</tr>
<tr id="i161" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/thetacommon/ThetaUtil.html" title="class in org.apache.datasketches.thetacommon">ThetaUtil</a></td>
<th class="colLast" scope="row">
<div class="block">Utility methods for the Theta Family of sketches</div>
</th>
</tr>
<tr id="i162" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/TupleSketchIterator.html" title="class in org.apache.datasketches.tuple">TupleSketchIterator</a>&lt;<a href="org/apache/datasketches/tuple/TupleSketchIterator.html" title="type parameter in TupleSketchIterator">S</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Iterator over a generic tuple sketch</div>
</th>
</tr>
<tr id="i163" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/hll/Union.html" title="class in org.apache.datasketches.hll">Union</a></td>
<th class="colLast" scope="row">
<div class="block">This performs union operations for all HllSketches.</div>
</th>
</tr>
<tr id="i164" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/Union.html" title="class in org.apache.datasketches.theta">Union</a></td>
<th class="colLast" scope="row">
<div class="block">Compute the union of two or more theta sketches.</div>
</th>
</tr>
<tr id="i165" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/Union.html" title="class in org.apache.datasketches.tuple">Union</a>&lt;<a href="org/apache/datasketches/tuple/Union.html" title="type parameter in Union">S</a> extends <a href="org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Compute the union of two or more generic tuple sketches or generic tuple sketches combined with
theta sketches.</div>
</th>
</tr>
<tr id="i166" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/hllmap/UniqueCountMap.html" title="class in org.apache.datasketches.hllmap">UniqueCountMap</a></td>
<th class="colLast" scope="row">
<div class="block">This is a real-time, key-value HLL mapping sketch that tracks approximate unique counts of
identifiers (the values) associated with each key.</div>
</th>
</tr>
<tr id="i167" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/UpdatableSketch.html" title="class in org.apache.datasketches.tuple">UpdatableSketch</a>&lt;<a href="org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a>,&#8203;<a href="org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">S</a> extends <a href="org/apache/datasketches/tuple/UpdatableSummary.html" title="interface in org.apache.datasketches.tuple">UpdatableSummary</a>&lt;<a href="org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a>&gt;&gt;</td>
<th class="colLast" scope="row">
<div class="block">An extension of QuickSelectSketch&lt;S&gt;, which can be updated with many types of keys.</div>
</th>
</tr>
<tr id="i168" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/UpdatableSketchBuilder.html" title="class in org.apache.datasketches.tuple">UpdatableSketchBuilder</a>&lt;<a href="org/apache/datasketches/tuple/UpdatableSketchBuilder.html" title="type parameter in UpdatableSketchBuilder">U</a>,&#8203;<a href="org/apache/datasketches/tuple/UpdatableSketchBuilder.html" title="type parameter in UpdatableSketchBuilder">S</a> extends <a href="org/apache/datasketches/tuple/UpdatableSummary.html" title="interface in org.apache.datasketches.tuple">UpdatableSummary</a>&lt;<a href="org/apache/datasketches/tuple/UpdatableSketchBuilder.html" title="type parameter in UpdatableSketchBuilder">U</a>&gt;&gt;</td>
<th class="colLast" scope="row">
<div class="block">For building a new generic tuple UpdatableSketch</div>
</th>
</tr>
<tr id="i169" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/UpdatableSummary.html" title="interface in org.apache.datasketches.tuple">UpdatableSummary</a>&lt;<a href="org/apache/datasketches/tuple/UpdatableSummary.html" title="type parameter in UpdatableSummary">U</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Interface for updating user-defined Summary</div>
</th>
</tr>
<tr id="i170" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/quantiles/UpdateDoublesSketch.html" title="class in org.apache.datasketches.quantiles">UpdateDoublesSketch</a></td>
<th class="colLast" scope="row">&nbsp;</th>
</tr>
<tr id="i171" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/UpdateReturnState.html" title="enum in org.apache.datasketches.theta">UpdateReturnState</a></td>
<th class="colLast" scope="row">
<div class="block"><a href="./resources/dictionary.html#updateReturnState">See Update Return State</a></div>
</th>
</tr>
<tr id="i172" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/UpdateSketch.html" title="class in org.apache.datasketches.theta">UpdateSketch</a></td>
<th class="colLast" scope="row">
<div class="block">The parent class for the Update Sketch families, such as QuickSelect and Alpha.</div>
</th>
</tr>
<tr id="i173" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/theta/UpdateSketchBuilder.html" title="class in org.apache.datasketches.theta">UpdateSketchBuilder</a></td>
<th class="colLast" scope="row">
<div class="block">For building a new UpdateSketch.</div>
</th>
</tr>
<tr id="i174" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/common/Util.html" title="class in org.apache.datasketches.common">Util</a></td>
<th class="colLast" scope="row">
<div class="block">Common utility functions.</div>
</th>
</tr>
<tr id="i175" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/tuple/Util.html" title="class in org.apache.datasketches.tuple">Util</a></td>
<th class="colLast" scope="row">
<div class="block">Common utility functions for Tuples</div>
</th>
</tr>
<tr id="i176" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/sampling/VarOptItemsSamples.html" title="class in org.apache.datasketches.sampling">VarOptItemsSamples</a>&lt;<a href="org/apache/datasketches/sampling/VarOptItemsSamples.html" title="type parameter in VarOptItemsSamples">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">This class provides access to the samples contained in a VarOptItemsSketch.</div>
</th>
</tr>
<tr id="i177" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/sampling/VarOptItemsSketch.html" title="class in org.apache.datasketches.sampling">VarOptItemsSketch</a>&lt;<a href="org/apache/datasketches/sampling/VarOptItemsSketch.html" title="type parameter in VarOptItemsSketch">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">This sketch provides a variance optimal sample over an input stream of weighted items.</div>
</th>
</tr>
<tr id="i178" class="altColor">
<td class="colFirst"><a href="org/apache/datasketches/sampling/VarOptItemsUnion.html" title="class in org.apache.datasketches.sampling">VarOptItemsUnion</a>&lt;<a href="org/apache/datasketches/sampling/VarOptItemsUnion.html" title="type parameter in VarOptItemsUnion">T</a>&gt;</td>
<th class="colLast" scope="row">
<div class="block">Provides a unioning operation over varopt sketches.</div>
</th>
</tr>
<tr id="i179" class="rowColor">
<td class="colFirst"><a href="org/apache/datasketches/hash/XxHash.html" title="class in org.apache.datasketches.hash">XxHash</a></td>
<th class="colLast" scope="row">
<div class="block">The XxHash is a fast, non-cryptographic, 64-bit hash function that has
excellent avalanche and 2-way bit independence properties.</div>
</th>
</tr>
</table>
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</ul>
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