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From mha...@apache.org
Subject [39/51] [partial] incubator-datafu git commit: DATAFU-110 Update website for 1.3.0 release
Date Tue, 17 Nov 2015 23:50:25 GMT
http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/158f9991/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SampleByKey.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SampleByKey.html b/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SampleByKey.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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+<html lang="en">
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+            parent.document.title="SampleByKey (datafu-pig 1.3.0 API)";
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+    catch(err) {
+    }
+//-->
+var methods = {"i0":10,"i1":10};
+var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
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+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.sampling</div>
+<h2 title="Class SampleByKey" class="title">Class SampleByKey</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc&lt;java.lang.Boolean&gt;</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.FilterFunc</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.sampling.SampleByKey</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<hr>
+<br>
+<pre>public class <span class="typeNameLabel">SampleByKey</span>
+extends org.apache.pig.FilterFunc</pre>
+<div class="block">Provides a way of sampling tuples based on certain fields.
+ This is essentially equivalent to grouping on the fields, applying SAMPLE,
+ and then flattening.  It is much more efficient though because it does not require
+ a reduce step.
+
+ <p>
+ The method of sampling is to convert the key to a hash, derive a double value
+ from this, and then test this against a supplied probability.  The double value
+ derived from a key is uniformly distributed between 0 and 1.
+ </p>
+
+ <p>
+ The only required parameter is the sampling probability.  This may be followed
+ by an optional seed value to control the random number generation.
+ </p>
+
+ <p>
+ SampleByKey will work deterministically as long as the same seed is provided.
+ </p>
+
+ Example:
+
+ <pre>
+ <code>
+ DEFINE SampleByKey datafu.pig.sampling.SampleByKey('0.5');
+
+-- input: (A,1), (A,2), (A,3), (B,1), (B,3)
+
+ data = LOAD 'input' AS (A_id:chararray, B_id:chararray, C:int);
+ output = FILTER data BY SampleByKey(A_id);
+
+ --output: (B,1), (B,3)
+ </code>
+ </pre></div>
+</li>
+</ul>
+</div>
+<div class="summary">
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+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
+</li>
+</ul>
+<!-- =========== FIELD SUMMARY =========== -->
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+<h3>Fields inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>log, pigLogger, reporter, returnType</code></li>
+</ul>
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+<h3>Constructor Summary</h3>
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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/sampling/SampleByKey.html#SampleByKey-java.lang.String-">SampleByKey</a></span>(java.lang.String&nbsp;probability)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SampleByKey.html#SampleByKey-java.lang.String-java.lang.String-">SampleByKey</a></span>(java.lang.String&nbsp;probability,
+           java.lang.String&nbsp;salt)</code>&nbsp;</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
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+<!--   -->
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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="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>java.lang.Boolean</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SampleByKey.html#exec-org.apache.pig.data.Tuple-">exec</a></span>(org.apache.pig.data.Tuple&nbsp;input)</code>&nbsp;</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SampleByKey.html#setUDFContextSignature-java.lang.String-">setUDFContextSignature</a></span>(java.lang.String&nbsp;signature)</code>&nbsp;</td>
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+</table>
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+<li class="blockList"><a name="methods.inherited.from.class.org.apache.pig.FilterFunc">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;org.apache.pig.FilterFunc</h3>
+<code>finish</code></li>
+</ul>
+<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, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, outputSchema, progress, setInputSchema, setPigLogger, setReporter, warn</code></li>
+</ul>
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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>
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+<!-- ========= CONSTRUCTOR DETAIL ======== -->
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+<li class="blockList"><a name="constructor.detail">
+<!--   -->
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+<h3>Constructor Detail</h3>
+<a name="SampleByKey-java.lang.String-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>SampleByKey</h4>
+<pre>public&nbsp;SampleByKey(java.lang.String&nbsp;probability)</pre>
+</li>
+</ul>
+<a name="SampleByKey-java.lang.String-java.lang.String-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>SampleByKey</h4>
+<pre>public&nbsp;SampleByKey(java.lang.String&nbsp;probability,
+                   java.lang.String&nbsp;salt)</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
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+<pre>public&nbsp;void&nbsp;setUDFContextSignature(java.lang.String&nbsp;signature)</pre>
+<dl>
+<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
+<dd><code>setUDFContextSignature</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;java.lang.Boolean&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="exec-org.apache.pig.data.Tuple-">
+<!--   -->
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+<ul class="blockListLast">
+<li class="blockList">
+<h4>exec</h4>
+<pre>public&nbsp;java.lang.Boolean&nbsp;exec(org.apache.pig.data.Tuple&nbsp;input)
+                       throws java.io.IOException</pre>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code>exec</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;java.lang.Boolean&gt;</code></dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd>
+</dl>
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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/sampling/SimpleRandomSample.Final.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSample.Final.html b/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSample.Final.html
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@@ -0,0 +1,338 @@
+<!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>SimpleRandomSample.Final (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">
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+        if (location.href.indexOf('is-external=true') == -1) {
+            parent.document.title="SimpleRandomSample.Final (datafu-pig 1.3.0 API)";
+        }
+    }
+    catch(err) {
+    }
+//-->
+var methods = {"i0":10};
+var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
+var altColor = "altColor";
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+<div class="subTitle">datafu.pig.sampling</div>
+<h2 title="Class SimpleRandomSample.Final" class="title">Class SimpleRandomSample.Final</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.DataBag&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.sampling.SimpleRandomSample.Final</li>
+</ul>
+</li>
+</ul>
+</li>
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+<div class="description">
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+<dd><a href="../../../datafu/pig/sampling/SimpleRandomSample.html" title="class in datafu.pig.sampling">SimpleRandomSample</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public static class <span class="typeNameLabel">SimpleRandomSample.Final</span>
+extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</pre>
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+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
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+<td class="colFirst"><code>org.apache.pig.data.DataBag</code></td>
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+<dd><code>exec</code>&nbsp;in class&nbsp;<code>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd>
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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/sampling/SimpleRandomSample.Initial.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSample.Initial.html b/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSample.Initial.html
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+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.sampling</div>
+<h2 title="Class SimpleRandomSample.Initial" class="title">Class SimpleRandomSample.Initial</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.sampling.SimpleRandomSample.Initial</li>
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+</dl>
+<hr>
+<br>
+<pre>public static class <span class="typeNameLabel">SimpleRandomSample.Initial</span>
+extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;</pre>
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+<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/sampling/SimpleRandomSample.Initial.html#Initial--">Initial</a></span>()</code>&nbsp;</td>
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+<tr class="rowColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SimpleRandomSample.Initial.html#Initial-java.lang.String-">Initial</a></span>(java.lang.String&nbsp;samplingProbability)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</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="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>
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+<td class="colFirst"><code>org.apache.pig.data.Tuple</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SimpleRandomSample.Initial.html#exec-org.apache.pig.data.Tuple-">exec</a></span>(org.apache.pig.data.Tuple&nbsp;input)</code>&nbsp;</td>
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+<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, outputSchema, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</code></li>
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+<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>
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+<h4>Initial</h4>
+<pre>public&nbsp;Initial()</pre>
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+<li class="blockList">
+<h4>Initial</h4>
+<pre>@Deprecated
+public&nbsp;Initial(java.lang.String&nbsp;samplingProbability)</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+</li>
+</ul>
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+<li class="blockList"><a name="method.detail">
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+<pre>public&nbsp;org.apache.pig.data.Tuple&nbsp;exec(org.apache.pig.data.Tuple&nbsp;input)
+                               throws java.io.IOException</pre>
+<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>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
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+<li><a href="../../../datafu/pig/sampling/SimpleRandomSample.Final.html" title="class in datafu.pig.sampling"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
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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/sampling/SimpleRandomSample.Intermediate.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSample.Intermediate.html b/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSample.Intermediate.html
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+<h2 title="Class SimpleRandomSample.Intermediate" class="title">Class SimpleRandomSample.Intermediate</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.sampling.SimpleRandomSample.Intermediate</li>
+</ul>
+</li>
+</ul>
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+<dt>Enclosing class:</dt>
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+</dl>
+<hr>
+<br>
+<pre>public static class <span class="typeNameLabel">SimpleRandomSample.Intermediate</span>
+extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;</pre>
+</li>
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+<code>log, pigLogger, reporter, returnType</code></li>
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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/sampling/SimpleRandomSample.Intermediate.html#Intermediate--">Intermediate</a></span>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SimpleRandomSample.Intermediate.html#Intermediate-java.lang.String-">Intermediate</a></span>(java.lang.String&nbsp;samplingProbability)</code>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
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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="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>org.apache.pig.data.Tuple</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SimpleRandomSample.Intermediate.html#exec-org.apache.pig.data.Tuple-">exec</a></span>(org.apache.pig.data.Tuple&nbsp;input)</code>&nbsp;</td>
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+<!--   -->
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+<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, outputSchema, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</code></li>
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+<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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+<h4>Intermediate</h4>
+<pre>public&nbsp;Intermediate()</pre>
+</li>
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+<a name="Intermediate-java.lang.String-">
+<!--   -->
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+<ul class="blockListLast">
+<li class="blockList">
+<h4>Intermediate</h4>
+<pre>@Deprecated
+public&nbsp;Intermediate(java.lang.String&nbsp;samplingProbability)</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
+</li>
+</ul>
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+<li class="blockList">
+<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>
+<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>
+</dl>
+</li>
+</ul>
+</li>
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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/sampling/SimpleRandomSample.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSample.html b/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSample.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>SimpleRandomSample (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">
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+        if (location.href.indexOf('is-external=true') == -1) {
+            parent.document.title="SimpleRandomSample (datafu-pig 1.3.0 API)";
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+    catch(err) {
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+//-->
+var methods = {"i0":10,"i1":10,"i2":10,"i3":10};
+var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">datafu.pig.sampling</div>
+<h2 title="Class SimpleRandomSample" class="title">Class SimpleRandomSample</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>java.lang.Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.EvalFunc&lt;T&gt;</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.AccumulatorEvalFunc&lt;T&gt;</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.pig.AlgebraicEvalFunc&lt;org.apache.pig.data.DataBag&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.sampling.SimpleRandomSample</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;, org.apache.pig.Algebraic</dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="typeNameLabel">SimpleRandomSample</span>
+extends org.apache.pig.AlgebraicEvalFunc&lt;org.apache.pig.data.DataBag&gt;</pre>
+<div class="block">Scalable simple random sampling (ScaSRS).
+
+ <p>
+ This UDF implements a scalable simple random sampling algorithm described in
+ </p>
+
+ <pre>
+ X. Meng, Scalable Simple Random Sampling and Stratified Sampling, ICML 2013.
+ </pre>
+
+ <p>
+ It takes a bag of n items and a sampling probability p as the inputs, and outputs a
+ simple random sample of size exactly ceil(p*n) in a bag, with probability at least
+ 99.99%. For example, the following script generates a simple random sample with
+ sampling probability 0.1:
+ </p>
+
+ <pre>
+ DEFINE SRS datafu.pig.sampling.SimpleRandomSample();
+
+ item    = LOAD 'input' AS (x:double);
+ sampled = FOREACH (GROUP item ALL) GENERATE FLATTEN(SRS(item, 0.01));
+ </pre>
+
+ <p>
+ Optionally, user can provide a good lower bound of n as the third argument to help
+ reduce the size of intermediate data, for example:
+ </p>
+
+ <pre>
+ DEFINE SRS datafu.pig.sampling.SimpleRandomSample();
+
+ item    = LOAD 'input' AS (x:double);
+ summary = FOREACH (GROUP item ALL) GENERATE COUNT(item) AS count;
+ sampled = FOREACH (GROUP item ALL) GENERATE FLATTEN(SRS(item, 0.01, summary.count));
+ </pre>
+
+ <p>
+ This UDF is very useful for stratified sampling. For example, the following script
+ keeps all positive examples while downsampling negatives with probability 0.1:
+ </p>
+
+ <pre>
+ DEFINE SRS datafu.pig.sampling.SimpleRandomSample();
+
+ item    = LOAD 'input' AS (x:double, label:int);
+ grouped = FOREACH (GROUP item BY label) GENERATE item, (group == 1 ? 1.0 : 0.1) AS p;
+ sampled = FOREACH grouped GENERATE FLATTEN(SRS(item, p));
+ </pre>
+
+ <p>
+ In a Java Hadoop MapReduce job, we can output selected items directly using
+ MultipleOutputs. However, this feature is not available in a Pig UDF. So we still let
+ selected items go through the sort phase. However, as long as the sample size is not
+ huge, this should not be a big problem.
+ </p>
+
+ <p>
+ In the first version, the sampling probability is specified in the constructor. This
+ method is deprecated now and will be removed in the next release.
+ </p></div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== NESTED CLASS SUMMARY ======== -->
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+<li class="blockList"><a name="nested.class.summary">
+<!--   -->
+</a>
+<h3>Nested Class Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation">
+<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Class and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static class&nbsp;</code></td>
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+<td class="colFirst"><code>static java.lang.String</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SimpleRandomSample.html#OUTPUT_BAG_NAME_PREFIX">OUTPUT_BAG_NAME_PREFIX</a></span></code>
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+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
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+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SimpleRandomSample.html#SimpleRandomSample--">SimpleRandomSample</a></span>()</code>&nbsp;</td>
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+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
+<div class="block"><span class="deprecationComment">Should specify the sampling probability in the function call.</span></div>
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+<td class="colLast"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SimpleRandomSample.html#getIntermed--">getIntermed</a></span>()</code>&nbsp;</td>
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+<pre>public static final&nbsp;java.lang.String OUTPUT_BAG_NAME_PREFIX</pre>
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+<dl>
+<dt><span class="seeLabel">See Also:</span></dt>
+<dd><a href="../../../constant-values.html#datafu.pig.sampling.SimpleRandomSample.OUTPUT_BAG_NAME_PREFIX">Constant Field Values</a></dd>
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+<h4>SimpleRandomSample</h4>
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+public&nbsp;SimpleRandomSample(java.lang.String&nbsp;samplingProbability)</pre>
+<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">Should specify the sampling probability in the function call.</span></div>
+<div class="block">Constructs this UDF with a sampling probability.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>samplingProbability</code> - sampling probability</dd>
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+<dd><code>getInitial</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Algebraic</code></dd>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code>getInitial</code>&nbsp;in class&nbsp;<code>org.apache.pig.AlgebraicEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
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+<dd><code>getIntermed</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Algebraic</code></dd>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code>getIntermed</code>&nbsp;in class&nbsp;<code>org.apache.pig.AlgebraicEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
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+<dd><code>getFinal</code>&nbsp;in interface&nbsp;<code>org.apache.pig.Algebraic</code></dd>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code>getFinal</code>&nbsp;in class&nbsp;<code>org.apache.pig.AlgebraicEvalFunc&lt;org.apache.pig.data.DataBag&gt;</code></dd>
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+<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.DataBag&gt;</code></dd>
+</dl>
+</li>
+</ul>
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+<!-- ========= 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/sampling/SimpleRandomSampleWithReplacementElect.Final.html
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diff --git a/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSampleWithReplacementElect.Final.html b/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSampleWithReplacementElect.Final.html
new file mode 100644
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+++ b/site/source/docs/datafu/1.3.0/datafu/pig/sampling/SimpleRandomSampleWithReplacementElect.Final.html
@@ -0,0 +1,322 @@
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+<!-- Generated by javadoc (1.8.0_60) on Tue Nov 17 10:08:51 PST 2015 -->
+<title>SimpleRandomSampleWithReplacementElect.Final (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>
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+<script type="text/javascript"><!--
+    try {
+        if (location.href.indexOf('is-external=true') == -1) {
+            parent.document.title="SimpleRandomSampleWithReplacementElect.Final (datafu-pig 1.3.0 API)";
+        }
+    }
+    catch(err) {
+    }
+//-->
+var methods = {"i0":10};
+var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
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+var activeTableTab = "activeTableTab";
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+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested.classes.inherited.from.class.org.apache.pig.EvalFunc">Nested</a>&nbsp;|&nbsp;</li>
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+<!-- ========= END OF TOP NAVBAR ========= -->
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+<div class="subTitle">datafu.pig.sampling</div>
+<h2 title="Class SimpleRandomSampleWithReplacementElect.Final" class="title">Class SimpleRandomSampleWithReplacementElect.Final</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.DataBag&gt;</li>
+<li>
+<ul class="inheritance">
+<li>datafu.pig.sampling.SimpleRandomSampleWithReplacementElect.Final</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>Enclosing class:</dt>
+<dd><a href="../../../datafu/pig/sampling/SimpleRandomSampleWithReplacementElect.html" title="class in datafu.pig.sampling">SimpleRandomSampleWithReplacementElect</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public static class <span class="typeNameLabel">SimpleRandomSampleWithReplacementElect.Final</span>
+extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</pre>
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+</ul>
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+<!--   -->
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+<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>org.apache.pig.EvalFunc.SchemaType</code></li>
+</ul>
+</li>
+</ul>
+<!-- =========== FIELD SUMMARY =========== -->
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+<!--   -->
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+<h3>Fields inherited from class&nbsp;org.apache.pig.EvalFunc</h3>
+<code>log, pigLogger, reporter, returnType</code></li>
+</ul>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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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/sampling/SimpleRandomSampleWithReplacementElect.Final.html#Final--">Final</a></span>()</code>&nbsp;</td>
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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="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>org.apache.pig.data.DataBag</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../datafu/pig/sampling/SimpleRandomSampleWithReplacementElect.Final.html#exec-org.apache.pig.data.Tuple-">exec</a></span>(org.apache.pig.data.Tuple&nbsp;tuple)</code>&nbsp;</td>
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+<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, outputSchema, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</code></li>
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+<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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+<h4>Final</h4>
+<pre>public&nbsp;Final()</pre>
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+<h4>exec</h4>
+<pre>public&nbsp;org.apache.pig.data.DataBag&nbsp;exec(org.apache.pig.data.Tuple&nbsp;tuple)
+                                 throws java.io.IOException</pre>
+<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.DataBag&gt;</code></dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>java.io.IOException</code></dd>
+</dl>
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