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<div class="subTitle">org.apache.ignite.ml.util.generators</div>
<h2 title="Interface DataStreamGenerator" class="title">Interface DataStreamGenerator</h2>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../../org/apache/ignite/ml/util/generators/standard/GaussianMixtureDataStream.html" title="class in org.apache.ignite.ml.util.generators.standard">GaussianMixtureDataStream</a>, <a href="../../../../../../org/apache/ignite/ml/util/generators/standard/RegressionDataStream.html" title="class in org.apache.ignite.ml.util.generators.standard">RegressionDataStream</a>, <a href="../../../../../../org/apache/ignite/ml/util/generators/standard/RingsDataStream.html" title="class in org.apache.ignite.ml.util.generators.standard">RingsDataStream</a>, <a href="../../../../../../org/apache/ignite/ml/util/generators/standard/TwoSeparableClassesDataStream.html" title="class in org.apache.ignite.ml.util.generators.standard">TwoSeparableClassesDataStream</a></dd>
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<pre>public interface <span class="typeNameLabel">DataStreamGenerator</span></pre>
<div class="block">Provides general interface for generation of pseudorandom vectors according to shape defined by logic of specific
data stream generator.</div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#FILL_CACHE_BATCH_SIZE">FILL_CACHE_BATCH_SIZE</a></span></code>
<div class="block">Size of batch for <a href="../../../../../../org/apache/ignite/IgniteCache.html#putAll-java.util.Map-"><code>IgniteCache.putAll(Map)</code></a>.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>default <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#asDatasetBuilder-int-org.apache.ignite.lang.IgniteBiPredicate-int-">asDatasetBuilder</a></span>(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;filter,
int&nbsp;partitions)</code>
<div class="block">Convert first N values from stream to <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset"><code>DatasetBuilder</code></a>.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>default <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#asDatasetBuilder-int-org.apache.ignite.lang.IgniteBiPredicate-int-org.apache.ignite.ml.dataset.UpstreamTransformerBuilder-">asDatasetBuilder</a></span>(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;filter,
int&nbsp;partitions,
<a href="../../../../../../org/apache/ignite/ml/dataset/UpstreamTransformerBuilder.html" title="interface in org.apache.ignite.ml.dataset">UpstreamTransformerBuilder</a>&nbsp;upstreamTransformerBuilder)</code>
<div class="block">Convert first N values from stream to <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset"><code>DatasetBuilder</code></a>.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>default <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#asDatasetBuilder-int-int-">asDatasetBuilder</a></span>(int&nbsp;datasetSize,
int&nbsp;partitions)</code>
<div class="block">Convert first N values from stream to <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset"><code>DatasetBuilder</code></a>.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>default <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#asMap-int-">asMap</a></span>(int&nbsp;datasetSize)</code>
<div class="block">Convert first N values from stream to map.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>default <a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html" title="interface in org.apache.ignite.ml.util.generators">DataStreamGenerator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#blur-org.apache.ignite.ml.util.generators.primitives.scalar.RandomProducer-">blur</a></span>(<a href="../../../../../../org/apache/ignite/ml/util/generators/primitives/scalar/RandomProducer.html" title="interface in org.apache.ignite.ml.util.generators.primitives.scalar">RandomProducer</a>&nbsp;rnd)</code>
<div class="block">Apply pseudorandom noize to vectors without labels mapping.</div>
</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>default <span class='angle_bracket'>&lt;</span>K<span class='angle_bracket'>&gt;</span>&nbsp;void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#fillCacheWithCustomKey-int-org.apache.ignite.IgniteCache-java.util.function.Function-">fillCacheWithCustomKey</a></span>(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a><span class='angle_bracket'>&lt;</span>K,<a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;cache,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Function.html?is-external=true" title="class or interface in java.util.function">Function</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>,K<span class='angle_bracket'>&gt;</span>&nbsp;keyMapper)</code>
<div class="block">Fills given cache with labeled vectors from this generator and user defined mapper from vectors to keys.</div>
</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>default void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#fillCacheWithVecHashAsKey-int-org.apache.ignite.IgniteCache-">fillCacheWithVecHashAsKey</a></span>(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,<a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;cache)</code>
<div class="block">Fills given cache with labeled vectors from this generator as values and their hashcodes as keys.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>default void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#fillCacheWithVecUUIDAsKey-int-org.apache.ignite.IgniteCache-">fillCacheWithVecUUIDAsKey</a></span>(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>,<a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;cache)</code>
<div class="block">Fills given cache with labeled vectors from this generator as values and random UUIDs as keys</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#labeled--">labeled</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>default <a href="https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#labeled-org.apache.ignite.ml.math.functions.IgniteFunction-">labeled</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;classifier)</code>&nbsp;</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>default <a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html" title="interface in org.apache.ignite.ml.util.generators">DataStreamGenerator</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#mapVectors-org.apache.ignite.ml.math.functions.IgniteFunction-">mapVectors</a></span>(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a><span class='angle_bracket'>&gt;</span>&nbsp;f)</code>
<div class="block">Apply user defined mapper to vectors stream without labels hiding.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>default <a href="https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a><span class='angle_bracket'>&gt;</span></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html#unlabeled--">unlabeled</a></span>()</code>&nbsp;</td>
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<h3>Field Detail</h3>
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<h4>FILL_CACHE_BATCH_SIZE</h4>
<pre>static final&nbsp;int FILL_CACHE_BATCH_SIZE</pre>
<div class="block">Size of batch for <a href="../../../../../../org/apache/ignite/IgniteCache.html#putAll-java.util.Map-"><code>IgniteCache.putAll(Map)</code></a>.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../constant-values.html#org.apache.ignite.ml.util.generators.DataStreamGenerator.FILL_CACHE_BATCH_SIZE">Constant Field Values</a></dd>
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<h4>labeled</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;labeled()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Stream of <a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures"><code>LabeledVector</code></a> in according to dataset shape.</dd>
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<pre>default&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a><span class='angle_bracket'>&gt;</span>&nbsp;unlabeled()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Stream of unlabeled <a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector"><code>Vector</code></a> in according to dataset shape.</dd>
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<pre>default&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/stream/Stream.html?is-external=true" title="class or interface in java.util.stream">Stream</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;labeled(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;classifier)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>classifier</code> - User defined classifier for vectors stream.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Stream of <a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures"><code>LabeledVector</code></a> in according to dataset shape and user's classifier.</dd>
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<pre>default&nbsp;<a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html" title="interface in org.apache.ignite.ml.util.generators">DataStreamGenerator</a>&nbsp;mapVectors(<a href="../../../../../../org/apache/ignite/ml/math/functions/IgniteFunction.html" title="interface in org.apache.ignite.ml.math.functions">IgniteFunction</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a><span class='angle_bracket'>&gt;</span>&nbsp;f)</pre>
<div class="block">Apply user defined mapper to vectors stream without labels hiding.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>f</code> - Mapper of vectors of data stream.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Stream of mapped vectors.</dd>
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<pre>default&nbsp;<a href="../../../../../../org/apache/ignite/ml/util/generators/DataStreamGenerator.html" title="interface in org.apache.ignite.ml.util.generators">DataStreamGenerator</a>&nbsp;blur(<a href="../../../../../../org/apache/ignite/ml/util/generators/primitives/scalar/RandomProducer.html" title="interface in org.apache.ignite.ml.util.generators.primitives.scalar">RandomProducer</a>&nbsp;rnd)</pre>
<div class="block">Apply pseudorandom noize to vectors without labels mapping. Such method can be useful in cases when vectors with
different labels should be mixed between them on class bounds.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>rnd</code> - Generator of pseudorandom scalars modifying vector components with label saving.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Stream of blurred vectors with same labels.</dd>
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<pre>default&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;asMap(int&nbsp;datasetSize)</pre>
<div class="block">Convert first N values from stream to map.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datasetSize</code> - Dataset size.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Map of vectors and labels.</dd>
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<h4>asDatasetBuilder</h4>
<pre>default&nbsp;<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;asDatasetBuilder(int&nbsp;datasetSize,
int&nbsp;partitions)</pre>
<div class="block">Convert first N values from stream to <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset"><code>DatasetBuilder</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datasetSize</code> - Dataset size.</dd>
<dd><code>partitions</code> - Partitions count.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Dataset builder.</dd>
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<pre>default&nbsp;<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;asDatasetBuilder(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;filter,
int&nbsp;partitions)</pre>
<div class="block">Convert first N values from stream to <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset"><code>DatasetBuilder</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datasetSize</code> - Dataset size.</dd>
<dd><code>filter</code> - Data filter.</dd>
<dd><code>partitions</code> - Partitions count.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Dataset builder.</dd>
</dl>
</li>
</ul>
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<pre>default&nbsp;<a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset">DatasetBuilder</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;asDatasetBuilder(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/lang/IgniteBiPredicate.html" title="interface in org.apache.ignite.lang">IgniteBiPredicate</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/math/primitives/vector/Vector.html" title="interface in org.apache.ignite.ml.math.primitives.vector">Vector</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>&nbsp;filter,
int&nbsp;partitions,
<a href="../../../../../../org/apache/ignite/ml/dataset/UpstreamTransformerBuilder.html" title="interface in org.apache.ignite.ml.dataset">UpstreamTransformerBuilder</a>&nbsp;upstreamTransformerBuilder)</pre>
<div class="block">Convert first N values from stream to <a href="../../../../../../org/apache/ignite/ml/dataset/DatasetBuilder.html" title="interface in org.apache.ignite.ml.dataset"><code>DatasetBuilder</code></a>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datasetSize</code> - Dataset size.</dd>
<dd><code>filter</code> - Data filter.</dd>
<dd><code>partitions</code> - Partitions count.</dd>
<dd><code>upstreamTransformerBuilder</code> - Upstream transformer builder.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Dataset builder.</dd>
</dl>
</li>
</ul>
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<pre>default&nbsp;<span class='angle_bracket'>&lt;</span>K<span class='angle_bracket'>&gt;</span>&nbsp;void&nbsp;fillCacheWithCustomKey(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a><span class='angle_bracket'>&lt;</span>K,<a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;cache,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/Function.html?is-external=true" title="class or interface in java.util.function">Function</a><span class='angle_bracket'>&lt;</span><a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span>,K<span class='angle_bracket'>&gt;</span>&nbsp;keyMapper)</pre>
<div class="block">Fills given cache with labeled vectors from this generator and user defined mapper from vectors to keys.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>K</code> - Key type.</dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datasetSize</code> - Rows count to put.</dd>
<dd><code>cache</code> - Cache.</dd>
<dd><code>keyMapper</code> - Mapping from vectors to keys.</dd>
</dl>
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<pre>default&nbsp;void&nbsp;fillCacheWithVecHashAsKey(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>,<a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;cache)</pre>
<div class="block">Fills given cache with labeled vectors from this generator as values and their hashcodes as keys.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datasetSize</code> - Rows count to put.</dd>
<dd><code>cache</code> - Cache.</dd>
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<pre>default&nbsp;void&nbsp;fillCacheWithVecUUIDAsKey(int&nbsp;datasetSize,
<a href="../../../../../../org/apache/ignite/IgniteCache.html" title="interface in org.apache.ignite">IgniteCache</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/util/UUID.html?is-external=true" title="class or interface in java.util">UUID</a>,<a href="../../../../../../org/apache/ignite/ml/structures/LabeledVector.html" title="class in org.apache.ignite.ml.structures">LabeledVector</a><span class='angle_bracket'>&lt;</span><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a><span class='angle_bracket'>&gt;</span><span class='angle_bracket'>&gt;</span>&nbsp;cache)</pre>
<div class="block">Fills given cache with labeled vectors from this generator as values and random UUIDs as keys</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>datasetSize</code> - Rows count to put.</dd>
<dd><code>cache</code> - Cache.</dd>
</dl>
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<p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2021 Copyright &#169; Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Database and Caching Platform</b> </td> <td>:&nbsp;&nbsp; ver. <strong>2.11.1</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; December 20 2021 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
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