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| <h1 title="Package" class="title">Package com.yahoo.sketches.pig.tuple</h1> |
| <div class="docSummary"> |
| <div class="block">The tuple package contains implementation of sketches based on the idea of |
| theta sketches with the addition of values associated with unique keys.</div> |
| </div> |
| <p>See: <a href="#package.description">Description</a></p> |
| </div> |
| <div class="contentContainer"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/AlgebraicInitial.html" title="class in com.yahoo.sketches.pig.tuple">AlgebraicInitial</a></td> |
| <td class="colLast"> |
| <div class="block">This is a common pass-through implementation for initial step of an Algebraic operation</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/ArrayOfDoublesSketchToEstimates.html" title="class in com.yahoo.sketches.pig.tuple">ArrayOfDoublesSketchToEstimates</a></td> |
| <td class="colLast"> |
| <div class="block">This UDF converts an ArrayOfDoubles sketch to estimates.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DataToArrayOfDoublesSketch.html" title="class in com.yahoo.sketches.pig.tuple">DataToArrayOfDoublesSketch</a></td> |
| <td class="colLast"> |
| <div class="block">This UDF creates an ArrayOfDoublesSketch from raw data.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DataToArrayOfDoublesSketch.Initial.html" title="class in com.yahoo.sketches.pig.tuple">DataToArrayOfDoublesSketch.Initial</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DataToArrayOfDoublesSketch.IntermediateFinal.html" title="class in com.yahoo.sketches.pig.tuple">DataToArrayOfDoublesSketch.IntermediateFinal</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DataToDoubleSummarySketch.html" title="class in com.yahoo.sketches.pig.tuple">DataToDoubleSummarySketch</a></td> |
| <td class="colLast"> |
| <div class="block">This UDF creates a Sketch<DoubleSummary> from raw data.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DataToDoubleSummarySketch.Initial.html" title="class in com.yahoo.sketches.pig.tuple">DataToDoubleSummarySketch.Initial</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DataToDoubleSummarySketch.IntermediateFinal.html" title="class in com.yahoo.sketches.pig.tuple">DataToDoubleSummarySketch.IntermediateFinal</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DataToSketch.html" title="class in com.yahoo.sketches.pig.tuple">DataToSketch</a><U,S extends com.yahoo.sketches.tuple.UpdatableSummary<U>></td> |
| <td class="colLast"> |
| <div class="block">This is a generic implementation to be specialized in concrete UDFs</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DataToSketchAlgebraicIntermediateFinal.html" title="class in com.yahoo.sketches.pig.tuple">DataToSketchAlgebraicIntermediateFinal</a><U,S extends com.yahoo.sketches.tuple.UpdatableSummary<U>></td> |
| <td class="colLast"> |
| <div class="block">Class used to calculate the intermediate pass (combiner) or the final pass |
| (reducer) of an Algebraic sketch operation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DoubleSummarySketchToEstimates.html" title="class in com.yahoo.sketches.pig.tuple">DoubleSummarySketchToEstimates</a></td> |
| <td class="colLast"> |
| <div class="block">This UDF converts a Sketch<DoubleSummary> to estimates.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/DoubleSummarySketchToPercentile.html" title="class in com.yahoo.sketches.pig.tuple">DoubleSummarySketchToPercentile</a></td> |
| <td class="colLast"> |
| <div class="block">This UDF is to get a percentile value from a Sketch<DoubleSummary>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/UnionArrayOfDoublesSketch.html" title="class in com.yahoo.sketches.pig.tuple">UnionArrayOfDoublesSketch</a></td> |
| <td class="colLast"> |
| <div class="block">This is to union ArrayOfDoublesSketches.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/UnionArrayOfDoublesSketch.Initial.html" title="class in com.yahoo.sketches.pig.tuple">UnionArrayOfDoublesSketch.Initial</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/UnionArrayOfDoublesSketch.IntermediateFinal.html" title="class in com.yahoo.sketches.pig.tuple">UnionArrayOfDoublesSketch.IntermediateFinal</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/UnionDoubleSummarySketch.html" title="class in com.yahoo.sketches.pig.tuple">UnionDoubleSummarySketch</a></td> |
| <td class="colLast"> |
| <div class="block">This is to union Sketch<DoubleSummary>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/UnionDoubleSummarySketch.Initial.html" title="class in com.yahoo.sketches.pig.tuple">UnionDoubleSummarySketch.Initial</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/UnionDoubleSummarySketch.IntermediateFinal.html" title="class in com.yahoo.sketches.pig.tuple">UnionDoubleSummarySketch.IntermediateFinal</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/UnionSketch.html" title="class in com.yahoo.sketches.pig.tuple">UnionSketch</a><S extends com.yahoo.sketches.tuple.Summary></td> |
| <td class="colLast"> |
| <div class="block">This is a generic implementation to be specialized in concrete UDFs</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../com/yahoo/sketches/pig/tuple/UnionSketchAlgebraicIntermediateFinal.html" title="class in com.yahoo.sketches.pig.tuple">UnionSketchAlgebraicIntermediateFinal</a><S extends com.yahoo.sketches.tuple.Summary></td> |
| <td class="colLast"> |
| <div class="block">This is to calculate the intermediate pass (combiner) or the final pass |
| (reducer) of an Algebraic sketch operation.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
| <a name="package.description"> |
| <!-- --> |
| </a> |
| <h2 title="Package com.yahoo.sketches.pig.tuple Description">Package com.yahoo.sketches.pig.tuple Description</h2> |
| <div class="block">The tuple package contains implementation of sketches based on the idea of |
| theta sketches with the addition of values associated with unique keys. |
| Two sets of tuple sketch classes are available at the moment: |
| generic tuple sketches with user-defined Summary, and a faster specialized |
| implementation with an array of double values. |
| See unit tests for usage examples.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Alexander Saydakov</dd> |
| </dl> |
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