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From mha...@apache.org
Subject [43/51] [partial] incubator-datafu git commit: DATAFU-110 Update website for 1.3.0 release
Date Tue, 17 Nov 2015 23:50:29 GMT
http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/158f9991/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/metric/MetricUDF.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/metric/MetricUDF.html b/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/metric/MetricUDF.html
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+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested.classes.inherited.from.class.org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.summary">Method</a></li>
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+<li>Detail:&nbsp;</li>
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+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.hash.lsh.metric</div>
+<h2 title="Class MetricUDF" class="title">Class MetricUDF</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.hash.lsh.metric.MetricUDF</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>Direct Known Subclasses:</dt>
+<dd><a href="../../../../../datafu/pig/hash/lsh/metric/Cosine.html" title="class in datafu.pig.hash.lsh.metric">Cosine</a>, <a href="../../../../../datafu/pig/hash/lsh/metric/L1.html" title="class in datafu.pig.hash.lsh.metric">L1</a>, <a href="../../../../../datafu/pig/hash/lsh/metric/L2.html" title="class in datafu.pig.hash.lsh.metric">L2</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public abstract class <span class="typeNameLabel">MetricUDF</span>
+extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;</pre>
+<div class="block">A base UDF used to find a vector v in a bag such that for query point q, metric m and threshold t
+ m(v,q) &lt; t.  In other words, find the first vector in the bag within a threshold distance away.
+
+ <p>
+ It returns one of the tuples of the bag of vectors.  For an example of its use, please see datafu.pig.hash.lsh.CosineDistanceHash.
+ </p></div>
+<dl>
+<dt><span class="seeLabel">See Also:</span></dt>
+<dd><a href="../../../../../datafu/pig/hash/lsh/CosineDistanceHash.html" title="class in datafu.pig.hash.lsh"><code>CosineDistanceHash</code></a></dd>
+</dl>
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+</a>
+<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
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+<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<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>protected int</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/metric/MetricUDF.html#dim">dim</a></span></code>&nbsp;</td>
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+<code>log, pigLogger, reporter, returnType</code></li>
+</ul>
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+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/metric/MetricUDF.html#MetricUDF-java.lang.String-">MetricUDF</a></span>(java.lang.String&nbsp;sDim)</code>
+<div class="block">Create a new Metric UDF with a given dimension.</div>
+</td>
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+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete 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>protected abstract double</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/metric/MetricUDF.html#dist-org.apache.commons.math.linear.RealVector-org.apache.commons.math.linear.RealVector-">dist</a></span>(org.apache.commons.math.linear.RealVector&nbsp;v1,
+    org.apache.commons.math.linear.RealVector&nbsp;v2)</code>
+<div class="block">The distance metric used.</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>org.apache.pig.data.Tuple</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/metric/MetricUDF.html#exec-org.apache.pig.data.Tuple-">exec</a></span>(org.apache.pig.data.Tuple&nbsp;input)</code>
+<div class="block">This UDF expects a query vector as the first element, a threshold (double) as the second, and a bag of vectors.</div>
+</td>
+</tr>
+<tr id="i2" class="altColor">
+<td class="colFirst"><code>org.apache.pig.impl.logicalLayer.schema.Schema</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/metric/MetricUDF.html#outputSchema-org.apache.pig.impl.logicalLayer.schema.Schema-">outputSchema</a></span>(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</code>
+<div class="block">Create the output schema, based on the input schema.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.org.apache.pig.EvalFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</code></li>
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+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ============ FIELD DETAIL =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field.detail">
+<!--   -->
+</a>
+<h3>Field Detail</h3>
+<a name="dim">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>dim</h4>
+<pre>protected&nbsp;int dim</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="MetricUDF-java.lang.String-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>MetricUDF</h4>
+<pre>public&nbsp;MetricUDF(java.lang.String&nbsp;sDim)</pre>
+<div class="block">Create a new Metric UDF with a given dimension.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>sDim</code> - dimension</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
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+<li class="blockList"><a name="method.detail">
+<!--   -->
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+<h3>Method Detail</h3>
+<a name="dist-org.apache.commons.math.linear.RealVector-org.apache.commons.math.linear.RealVector-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>dist</h4>
+<pre>protected abstract&nbsp;double&nbsp;dist(org.apache.commons.math.linear.RealVector&nbsp;v1,
+                               org.apache.commons.math.linear.RealVector&nbsp;v2)</pre>
+<div class="block">The distance metric used.  Given v1 and v2, compute the distance between those vectors.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>v1</code> - first vector</dd>
+<dd><code>v2</code> - second vector</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the distance between v1 and v2</dd>
+</dl>
+</li>
+</ul>
+<a name="exec-org.apache.pig.data.Tuple-">
+<!--   -->
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+<h4>exec</h4>
+<pre>public&nbsp;org.apache.pig.data.Tuple&nbsp;exec(org.apache.pig.data.Tuple&nbsp;input)
+                               throws java.io.IOException</pre>
+<div class="block">This UDF expects a query vector as the first element, a threshold (double) as the second, and a bag of vectors.
+ Vectors are represented by tuples with doubles as elements or bags of tuples representing position and value
+ in the case of sparse vectors.
+
+ <p>
+ It returns one of the tuples of the bag of vectors.  For an example of its use, please see datafu.pig.hash.lsh.CosineDistanceHash.
+ </p></div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code>exec</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;</code></dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd>
+<dt><span class="seeLabel">See Also:</span></dt>
+<dd><a href="../../../../../datafu/pig/hash/lsh/CosineDistanceHash.html" title="class in datafu.pig.hash.lsh"><code>CosineDistanceHash</code></a></dd>
+</dl>
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+<a name="outputSchema-org.apache.pig.impl.logicalLayer.schema.Schema-">
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+<h4>outputSchema</h4>
+<pre>public&nbsp;org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</pre>
+<div class="block">Create the output schema, based on the input schema.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
+<dd><code>outputSchema</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;</code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the output schema, which is a tuple matching the schema of the third input field.</dd>
+</dl>
+</li>
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+</li>
+</ul>
+</li>
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+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (1.8.0_60) on Tue Nov 17 10:08:51 PST 2015 -->
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+ used with Locality Sensitive Hashing.</div>
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+<td class="colLast">
+<div class="block">A UDF used to find a vector v in a bag such that for query point q, metric m and threshold t
+ m(v,q) &lt; t.</div>
+</td>
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+<td class="colFirst"><a href="../../../../../datafu/pig/hash/lsh/metric/L1.html" title="class in datafu.pig.hash.lsh.metric">L1</a></td>
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+<td class="colLast">
+<div class="block">A base UDF used to find a vector v in a bag such that for query point q, metric m and threshold t
+ m(v,q) &lt; t.</div>
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+<div class="block">UDFs for different <a href="http://en.wikipedia.org/wiki/Metric_(mathematics)" target="_blank">distance functions</a> (and some similarity functions)
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+<h2 title="Class AbstractStableDistributionFunction" class="title">Class AbstractStableDistributionFunction</h2>
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+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">datafu.pig.hash.lsh.interfaces.LSH</a></li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.hash.lsh.p_stable.AbstractStableDistributionFunction</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>Direct Known Subclasses:</dt>
+<dd><a href="../../../../../datafu/pig/hash/lsh/p_stable/L1LSH.html" title="class in datafu.pig.hash.lsh.p_stable">L1LSH</a>, <a href="../../../../../datafu/pig/hash/lsh/p_stable/L2LSH.html" title="class in datafu.pig.hash.lsh.p_stable">L2LSH</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public abstract class <span class="typeNameLabel">AbstractStableDistributionFunction</span>
+extends <a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">LSH</a></pre>
+<div class="block">This is the base-class for all p-stable based locality sensitive hashes. p-stable locality sensitive
+ hashes are defined by a few parameters: a dimension, d , a vector taken from a
+ <a href="http://en.wikipedia.org/wiki/Stable_distribution" target="_blank">k-stable distribution</a>
+ (where k is 1 or 2) and a width of projection, w.
+
+ <p>
+ All p-stable LSH functions are parameterized with a quantization parameter (w or r in
+ the literature , depending on where you look). Consider the following excerpt
+ from Datar, M.; Immorlica, N.; Indyk, P.; Mirrokni, V.S. (2004).
+ "Locality-Sensitive Hashing Scheme Based on p-Stable Distributions".
+ Proceedings of the Symposium on Computational Geometry.
+ </p>
+
+ <p>
+ Decreasing the width of the projection (w) decreases the probability of collision for any two points.
+ Thus, it has the same effect as increasing k . As a result, we would like to set w as small as possible
+ and in this way decrease the number of projections we need to make.
+ </p>
+
+ <p>
+ In the literature, the quantization parameter (or width of the projection) is
+ found empirically given a sample of the data and the likely threshold for
+ the metric. Tuning this parameter is very important for the performance of
+ this algorithm. For more information, see Datar, M.; Immorlica, N.; Indyk,
+ P.; Mirrokni, V.S. (2004).
+ "Locality-Sensitive Hashing Scheme Based on p-Stable Distributions".
+ Proceedings of the Symposium on Computational Geometry.
+ </p></div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- =========== FIELD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field.summary">
+<!--   -->
+</a>
+<h3>Field Summary</h3>
+<ul class="blockList">
+<li class="blockList"><a name="fields.inherited.from.class.datafu.pig.hash.lsh.interfaces.LSH">
+<!--   -->
+</a>
+<h3>Fields inherited from class&nbsp;datafu.pig.hash.lsh.interfaces.<a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">LSH</a></h3>
+<code><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#dim">dim</a>, <a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#rg">rg</a></code></li>
+</ul>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.summary">
+<!--   -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#AbstractStableDistributionFunction-int-double-org.apache.commons.math.random.RandomGenerator-">AbstractStableDistributionFunction</a></span>(int&nbsp;dim,
+                                  double&nbsp;w,
+                                  org.apache.commons.math.random.RandomGenerator&nbsp;rand)</code>
+<div class="block">Constructs a new instance.</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
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+<li class="blockList"><a name="method.summary">
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+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete 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>long</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#apply-org.apache.commons.math.linear.RealVector-">apply</a></span>(org.apache.commons.math.linear.RealVector&nbsp;vector)</code>
+<div class="block">Compute the LSH for a given vector.</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>protected abstract <a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#getSampler--">getSampler</a></span>()</code>
+<div class="block">The sampler determines the metric which this LSH is associated with.</div>
+</td>
+</tr>
+<tr id="i2" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#reset-int-double-">reset</a></span>(int&nbsp;dim,
+     double&nbsp;w)</code>&nbsp;</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.datafu.pig.hash.lsh.interfaces.LSH">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;datafu.pig.hash.lsh.interfaces.<a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">LSH</a></h3>
+<code><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#getDim--">getDim</a>, <a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#getRandomGenerator--">getRandomGenerator</a></code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="AbstractStableDistributionFunction-int-double-org.apache.commons.math.random.RandomGenerator-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>AbstractStableDistributionFunction</h4>
+<pre>public&nbsp;AbstractStableDistributionFunction(int&nbsp;dim,
+                                          double&nbsp;w,
+                                          org.apache.commons.math.random.RandomGenerator&nbsp;rand)
+                                   throws org.apache.commons.math.MathException</pre>
+<div class="block">Constructs a new instance.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>dim</code> - The dimension of the vectors to be hashed</dd>
+<dd><code>w</code> - A double representing the quantization parameter (also known as the projection width)</dd>
+<dd><code>rand</code> - The random generator used</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>org.apache.commons.math.MathException</code> - MathException</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="reset-int-double-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>reset</h4>
+<pre>public&nbsp;void&nbsp;reset(int&nbsp;dim,
+                  double&nbsp;w)
+           throws org.apache.commons.math.MathException</pre>
+<dl>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>org.apache.commons.math.MathException</code></dd>
+</dl>
+</li>
+</ul>
+<a name="getSampler--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getSampler</h4>
+<pre>protected abstract&nbsp;<a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a>&nbsp;getSampler()</pre>
+<div class="block">The sampler determines the metric which this LSH is associated with.
+ A 1-stable sample will yield a LSH which corresponds to a L1 metric; likewise for 2-stable and L2.</div>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>The sampler to use.</dd>
+</dl>
+</li>
+</ul>
+<a name="apply-org.apache.commons.math.linear.RealVector-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>apply</h4>
+<pre>public&nbsp;long&nbsp;apply(org.apache.commons.math.linear.RealVector&nbsp;vector)</pre>
+<div class="block">Compute the LSH for a given vector.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#apply-org.apache.commons.math.linear.RealVector-">apply</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">LSH</a></code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>vector</code> - A vector to be hashed</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>A hash which collides with vectors close according to some metric (implementation dependent).</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
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http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/158f9991/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/p_stable/L1LSH.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/p_stable/L1LSH.html b/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/p_stable/L1LSH.html
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+<!-- Generated by javadoc (1.8.0_60) on Tue Nov 17 10:08:51 PST 2015 -->
+<title>L1LSH (datafu-pig 1.3.0 API)</title>
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+            parent.document.title="L1LSH (datafu-pig 1.3.0 API)";
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+    catch(err) {
+    }
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+var methods = {"i0":10,"i1":10};
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+<li><a href="../../../../../datafu/pig/hash/lsh/p_stable/L2LSH.html" title="class in datafu.pig.hash.lsh.p_stable"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
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+<ul class="navList">
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+  //-->
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+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li>Nested&nbsp;|&nbsp;</li>
+<li><a href="#fields.inherited.from.class.datafu.pig.hash.lsh.interfaces.LSH">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.detail">Method</a></li>
+</ul>
+</div>
+<a name="skip.navbar.top">
+<!--   -->
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.hash.lsh.p_stable</div>
+<h2 title="Class L1LSH" class="title">Class L1LSH</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">datafu.pig.hash.lsh.interfaces.LSH</a></li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html" title="class in datafu.pig.hash.lsh.p_stable">datafu.pig.hash.lsh.p_stable.AbstractStableDistributionFunction</a></li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.hash.lsh.p_stable.L1LSH</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd><a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="typeNameLabel">L1LSH</span>
+extends <a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html" title="class in datafu.pig.hash.lsh.p_stable">AbstractStableDistributionFunction</a>
+implements <a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a></pre>
+<div class="block">A locality sensitive hash associated with the L1 metric.  This uses a 1-stable distribution
+ to construct the hash.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- =========== FIELD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field.summary">
+<!--   -->
+</a>
+<h3>Field Summary</h3>
+<ul class="blockList">
+<li class="blockList"><a name="fields.inherited.from.class.datafu.pig.hash.lsh.interfaces.LSH">
+<!--   -->
+</a>
+<h3>Fields inherited from class&nbsp;datafu.pig.hash.lsh.interfaces.<a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">LSH</a></h3>
+<code><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#dim">dim</a>, <a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#rg">rg</a></code></li>
+</ul>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.summary">
+<!--   -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/L1LSH.html#L1LSH-int-double-org.apache.commons.math.random.RandomGenerator-">L1LSH</a></span>(int&nbsp;dim,
+     double&nbsp;w,
+     org.apache.commons.math.random.RandomGenerator&nbsp;rand)</code>
+<div class="block">Constructs a new instance.</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete 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>protected <a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/L1LSH.html#getSampler--">getSampler</a></span>()</code>
+<div class="block">The sampler determines the metric which this LSH is associated with.</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/L1LSH.html#sample-org.apache.commons.math.random.RandomDataImpl-">sample</a></span>(org.apache.commons.math.random.RandomDataImpl&nbsp;randomData)</code>
+<div class="block">Draw a sample s ~ Cauchy(0,1), which is 1-stable.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.datafu.pig.hash.lsh.p_stable.AbstractStableDistributionFunction">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;datafu.pig.hash.lsh.p_stable.<a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html" title="class in datafu.pig.hash.lsh.p_stable">AbstractStableDistributionFunction</a></h3>
+<code><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#apply-org.apache.commons.math.linear.RealVector-">apply</a>, <a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#reset-int-double-">reset</a></code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.datafu.pig.hash.lsh.interfaces.LSH">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;datafu.pig.hash.lsh.interfaces.<a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">LSH</a></h3>
+<code><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#getDim--">getDim</a>, <a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#getRandomGenerator--">getRandomGenerator</a></code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="L1LSH-int-double-org.apache.commons.math.random.RandomGenerator-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>L1LSH</h4>
+<pre>public&nbsp;L1LSH(int&nbsp;dim,
+             double&nbsp;w,
+             org.apache.commons.math.random.RandomGenerator&nbsp;rand)
+      throws org.apache.commons.math.MathException</pre>
+<div class="block">Constructs a new instance.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>dim</code> - The dimension of the vectors to be hashed</dd>
+<dd><code>w</code> - A double representing the quantization parameter (also known as the projection width)</dd>
+<dd><code>rand</code> - The random generator used</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>org.apache.commons.math.MathException</code> - MathException</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="sample-org.apache.commons.math.random.RandomDataImpl-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>sample</h4>
+<pre>public&nbsp;double&nbsp;sample(org.apache.commons.math.random.RandomDataImpl&nbsp;randomData)
+              throws org.apache.commons.math.MathException</pre>
+<div class="block">Draw a sample s ~ Cauchy(0,1), which is 1-stable.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html#sample-org.apache.commons.math.random.RandomDataImpl-">sample</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a></code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>randomData</code> - random data generator</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>a sample from a cauchy distribution with median 0 and scale 1</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>org.apache.commons.math.MathException</code> - MathException</dd>
+</dl>
+</li>
+</ul>
+<a name="getSampler--">
+<!--   -->
+</a>
+<ul class="blockListLast">
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+<h4>getSampler</h4>
+<pre>protected&nbsp;<a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a>&nbsp;getSampler()</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#getSampler--">AbstractStableDistributionFunction</a></code></span></div>
+<div class="block">The sampler determines the metric which this LSH is associated with.
+ A 1-stable sample will yield a LSH which corresponds to a L1 metric; likewise for 2-stable and L2.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#getSampler--">getSampler</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html" title="class in datafu.pig.hash.lsh.p_stable">AbstractStableDistributionFunction</a></code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>The sampler to use.</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
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http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/158f9991/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/p_stable/L2LSH.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/p_stable/L2LSH.html b/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/p_stable/L2LSH.html
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+<head>
+<!-- Generated by javadoc (1.8.0_60) on Tue Nov 17 10:08:51 PST 2015 -->
+<title>L2LSH (datafu-pig 1.3.0 API)</title>
+<meta name="date" content="2015-11-17">
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+    catch(err) {
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+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li>Nested&nbsp;|&nbsp;</li>
+<li><a href="#fields.inherited.from.class.datafu.pig.hash.lsh.interfaces.LSH">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li>Field&nbsp;|&nbsp;</li>
+<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.hash.lsh.p_stable</div>
+<h2 title="Class L2LSH" class="title">Class L2LSH</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">datafu.pig.hash.lsh.interfaces.LSH</a></li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html" title="class in datafu.pig.hash.lsh.p_stable">datafu.pig.hash.lsh.p_stable.AbstractStableDistributionFunction</a></li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.hash.lsh.p_stable.L2LSH</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd><a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="typeNameLabel">L2LSH</span>
+extends <a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html" title="class in datafu.pig.hash.lsh.p_stable">AbstractStableDistributionFunction</a>
+implements <a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a></pre>
+<div class="block">A locality sensitive hash associated with the L2 metric.  This uses a 2-stable distribution
+ to construct the hash.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- =========== FIELD SUMMARY =========== -->
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+<li class="blockList"><a name="field.summary">
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+<ul class="blockList">
+<li class="blockList"><a name="fields.inherited.from.class.datafu.pig.hash.lsh.interfaces.LSH">
+<!--   -->
+</a>
+<h3>Fields inherited from class&nbsp;datafu.pig.hash.lsh.interfaces.<a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">LSH</a></h3>
+<code><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#dim">dim</a>, <a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#rg">rg</a></code></li>
+</ul>
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+</ul>
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+<li class="blockList"><a name="constructor.summary">
+<!--   -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/L2LSH.html#L2LSH-int-double-org.apache.commons.math.random.RandomGenerator-">L2LSH</a></span>(int&nbsp;dim,
+     double&nbsp;w,
+     org.apache.commons.math.random.RandomGenerator&nbsp;rand)</code>
+<div class="block">Constructs a new instance.</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.summary">
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+</a>
+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete 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>protected <a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/L2LSH.html#getSampler--">getSampler</a></span>()</code>
+<div class="block">The sampler determines the metric which this LSH is associated with.</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>double</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../datafu/pig/hash/lsh/p_stable/L2LSH.html#sample-org.apache.commons.math.random.RandomDataImpl-">sample</a></span>(org.apache.commons.math.random.RandomDataImpl&nbsp;randomData)</code>
+<div class="block">Draw a sample s ~ Gaussian(0,1), which is 2-stable.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.datafu.pig.hash.lsh.p_stable.AbstractStableDistributionFunction">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;datafu.pig.hash.lsh.p_stable.<a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html" title="class in datafu.pig.hash.lsh.p_stable">AbstractStableDistributionFunction</a></h3>
+<code><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#apply-org.apache.commons.math.linear.RealVector-">apply</a>, <a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#reset-int-double-">reset</a></code></li>
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+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.datafu.pig.hash.lsh.interfaces.LSH">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;datafu.pig.hash.lsh.interfaces.<a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html" title="class in datafu.pig.hash.lsh.interfaces">LSH</a></h3>
+<code><a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#getDim--">getDim</a>, <a href="../../../../../datafu/pig/hash/lsh/interfaces/LSH.html#getRandomGenerator--">getRandomGenerator</a></code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="L2LSH-int-double-org.apache.commons.math.random.RandomGenerator-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>L2LSH</h4>
+<pre>public&nbsp;L2LSH(int&nbsp;dim,
+             double&nbsp;w,
+             org.apache.commons.math.random.RandomGenerator&nbsp;rand)
+      throws org.apache.commons.math.MathException</pre>
+<div class="block">Constructs a new instance.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>dim</code> - the dimension of the vectors to be hashed</dd>
+<dd><code>w</code> - a double representing the quantization parameter (also known as the projection width)</dd>
+<dd><code>rand</code> - the random generator</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>org.apache.commons.math.MathException</code> - MathException</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="sample-org.apache.commons.math.random.RandomDataImpl-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>sample</h4>
+<pre>public&nbsp;double&nbsp;sample(org.apache.commons.math.random.RandomDataImpl&nbsp;randomData)</pre>
+<div class="block">Draw a sample s ~ Gaussian(0,1), which is 2-stable.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html#sample-org.apache.commons.math.random.RandomDataImpl-">sample</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a></code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>randomData</code> - random data generator</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>a sample from a Gaussian distribution with mu of 0 and sigma of 1</dd>
+</dl>
+</li>
+</ul>
+<a name="getSampler--">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>getSampler</h4>
+<pre>protected&nbsp;<a href="../../../../../datafu/pig/hash/lsh/interfaces/Sampler.html" title="interface in datafu.pig.hash.lsh.interfaces">Sampler</a>&nbsp;getSampler()</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#getSampler--">AbstractStableDistributionFunction</a></code></span></div>
+<div class="block">The sampler determines the metric which this LSH is associated with.
+ A 1-stable sample will yield a LSH which corresponds to a L1 metric; likewise for 2-stable and L2.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html#getSampler--">getSampler</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../datafu/pig/hash/lsh/p_stable/AbstractStableDistributionFunction.html" title="class in datafu.pig.hash.lsh.p_stable">AbstractStableDistributionFunction</a></code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>The sampler to use.</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
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+</html>

http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/158f9991/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/p_stable/package-frame.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/p_stable/package-frame.html b/site/source/docs/datafu/1.3.0/datafu/pig/hash/lsh/p_stable/package-frame.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<!-- Generated by javadoc (1.8.0_60) on Tue Nov 17 10:08:51 PST 2015 -->
+<title>datafu.pig.hash.lsh.p_stable (datafu-pig 1.3.0 API)</title>
+<meta name="date" content="2015-11-17">
+<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
+<script type="text/javascript" src="../../../../../script.js"></script>
+</head>
+<body>
+<h1 class="bar"><a href="../../../../../datafu/pig/hash/lsh/p_stable/package-summary.html" target="classFrame">datafu.pig.hash.lsh.p_stable</a></h1>
+<div class="indexContainer">
+<h2 title="Classes">Classes</h2>
+<ul title="Classes">
+<li><a href="AbstractStableDistributionFunction.html" title="class in datafu.pig.hash.lsh.p_stable" target="classFrame">AbstractStableDistributionFunction</a></li>
+<li><a href="L1LSH.html" title="class in datafu.pig.hash.lsh.p_stable" target="classFrame">L1LSH</a></li>
+<li><a href="L2LSH.html" title="class in datafu.pig.hash.lsh.p_stable" target="classFrame">L2LSH</a></li>
+</ul>
+</div>
+</body>
+</html>


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