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Posted to commits@datafu.apache.org by mh...@apache.org on 2016/08/10 22:11:53 UTC

[22/51] [abbrv] [partial] incubator-datafu git commit: Update website source given 1.3.1 release

http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/68190ca2/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Final.html
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diff --git a/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Final.html b/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Final.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>
-<HEAD>
-<!-- Generated by javadoc (build 1.6.0_27) on Wed Nov 06 17:51:16 PST 2013 -->
-<TITLE>
-ReservoirSample.Final (DataFu 1.1.0)
-</TITLE>
-
-<META NAME="date" CONTENT="2013-11-06">
-
-<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">
-
-<SCRIPT type="text/javascript">
-function windowTitle()
-{
-    if (location.href.indexOf('is-external=true') == -1) {
-        parent.document.title="ReservoirSample.Final (DataFu 1.1.0)";
-    }
-}
-</SCRIPT>
-<NOSCRIPT>
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-
-</HEAD>
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-<BODY BGCOLOR="white" onload="windowTitle();">
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-
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-datafu.pig.sampling</FONT>
-<BR>
-Class ReservoirSample.Final</H2>
-<PRE>
-java.lang.Object
-  <IMG SRC="../../../resources/inherit.gif" ALT="extended by ">org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;
-      <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>datafu.pig.sampling.ReservoirSample.Final</B>
-</PRE>
-<DL>
-<DT><B>Enclosing class:</B><DD><A HREF="../../../datafu/pig/sampling/ReservoirSample.html" title="class in datafu.pig.sampling">ReservoirSample</A></DD>
-</DL>
-<HR>
-<DL>
-<DT><PRE>public static class <B>ReservoirSample.Final</B><DT>extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</DL>
-</PRE>
-
-<P>
-<HR>
-
-<P>
-<!-- =========== FIELD SUMMARY =========== -->
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-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Field Summary</B></FONT></TH>
-</TR>
-</TABLE>
-&nbsp;<A NAME="fields_inherited_from_class_org.apache.pig.EvalFunc"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
-<TH ALIGN="left"><B>Fields inherited from class org.apache.pig.EvalFunc</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>log, pigLogger, reporter, returnType</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-
-<A NAME="constructor_summary"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Constructor Summary</B></FONT></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.Final.html#ReservoirSample.Final()">ReservoirSample.Final</A></B>()</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.Final.html#ReservoirSample.Final(java.lang.String)">ReservoirSample.Final</A></B>(java.lang.String&nbsp;numSamples)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-</TABLE>
-&nbsp;
-<!-- ========== METHOD SUMMARY =========== -->
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-<A NAME="method_summary"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Method Summary</B></FONT></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;org.apache.pig.data.DataBag</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.Final.html#exec(org.apache.pig.data.Tuple)">exec</A></B>(org.apache.pig.data.Tuple&nbsp;input)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-</TABLE>
-&nbsp;<A NAME="methods_inherited_from_class_org.apache.pig.EvalFunc"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
-<TH ALIGN="left"><B>Methods inherited from class org.apache.pig.EvalFunc</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, outputSchema, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
-<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;
-<P>
-
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-
-<A NAME="constructor_detail"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
-<B>Constructor Detail</B></FONT></TH>
-</TR>
-</TABLE>
-
-<A NAME="ReservoirSample.Final()"><!-- --></A><H3>
-ReservoirSample.Final</H3>
-<PRE>
-public <B>ReservoirSample.Final</B>()</PRE>
-<DL>
-</DL>
-<HR>
-
-<A NAME="ReservoirSample.Final(java.lang.String)"><!-- --></A><H3>
-ReservoirSample.Final</H3>
-<PRE>
-public <B>ReservoirSample.Final</B>(java.lang.String&nbsp;numSamples)</PRE>
-<DL>
-</DL>
-
-<!-- ============ METHOD DETAIL ========== -->
-
-<A NAME="method_detail"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
-<B>Method Detail</B></FONT></TH>
-</TR>
-</TABLE>
-
-<A NAME="exec(org.apache.pig.data.Tuple)"><!-- --></A><H3>
-exec</H3>
-<PRE>
-public org.apache.pig.data.DataBag <B>exec</B>(org.apache.pig.data.Tuple&nbsp;input)
-                                 throws java.io.IOException</PRE>
-<DL>
-<DD><DL>
-<DT><B>Specified by:</B><DD><CODE>exec</CODE> in class <CODE>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</CODE></DL>
-</DD>
-<DD><DL>
-
-<DT><B>Throws:</B>
-<DD><CODE>java.io.IOException</CODE></DL>
-</DD>
-</DL>
-<!-- ========= END OF CLASS DATA ========= -->
-<HR>
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http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/68190ca2/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Initial.html
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diff --git a/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Initial.html b/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Initial.html
deleted file mode 100644
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--- a/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Initial.html
+++ /dev/null
@@ -1,303 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
-<!--NewPage-->
-<HTML>
-<HEAD>
-<!-- Generated by javadoc (build 1.6.0_27) on Wed Nov 06 17:51:16 PST 2013 -->
-<TITLE>
-ReservoirSample.Initial (DataFu 1.1.0)
-</TITLE>
-
-<META NAME="date" CONTENT="2013-11-06">
-
-<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">
-
-<SCRIPT type="text/javascript">
-function windowTitle()
-{
-    if (location.href.indexOf('is-external=true') == -1) {
-        parent.document.title="ReservoirSample.Initial (DataFu 1.1.0)";
-    }
-}
-</SCRIPT>
-<NOSCRIPT>
-</NOSCRIPT>
-
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-
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-datafu.pig.sampling</FONT>
-<BR>
-Class ReservoirSample.Initial</H2>
-<PRE>
-java.lang.Object
-  <IMG SRC="../../../resources/inherit.gif" ALT="extended by ">org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;
-      <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>datafu.pig.sampling.ReservoirSample.Initial</B>
-</PRE>
-<DL>
-<DT><B>Enclosing class:</B><DD><A HREF="../../../datafu/pig/sampling/ReservoirSample.html" title="class in datafu.pig.sampling">ReservoirSample</A></DD>
-</DL>
-<HR>
-<DL>
-<DT><PRE>public static class <B>ReservoirSample.Initial</B><DT>extends org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;</DL>
-</PRE>
-
-<P>
-<HR>
-
-<P>
-<!-- =========== FIELD SUMMARY =========== -->
-
-<A NAME="field_summary"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Field Summary</B></FONT></TH>
-</TR>
-</TABLE>
-&nbsp;<A NAME="fields_inherited_from_class_org.apache.pig.EvalFunc"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
-<TH ALIGN="left"><B>Fields inherited from class org.apache.pig.EvalFunc</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>log, pigLogger, reporter, returnType</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-
-<A NAME="constructor_summary"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Constructor Summary</B></FONT></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.Initial.html#ReservoirSample.Initial()">ReservoirSample.Initial</A></B>()</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
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http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/68190ca2/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Intermediate.html
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diff --git a/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Intermediate.html b/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.Intermediate.html
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-Class ReservoirSample.Intermediate</H2>
-<PRE>
-java.lang.Object
-  <IMG SRC="../../../resources/inherit.gif" ALT="extended by ">org.apache.pig.EvalFunc&lt;org.apache.pig.data.Tuple&gt;
-      <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>datafu.pig.sampling.ReservoirSample.Intermediate</B>
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-<TH ALIGN="left"><B>Fields inherited from class org.apache.pig.EvalFunc</B></TH>
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-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.Intermediate.html#ReservoirSample.Intermediate(java.lang.String)">ReservoirSample.Intermediate</A></B>(java.lang.String&nbsp;numSamples)</CODE>
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-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;org.apache.pig.data.Tuple</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.Intermediate.html#exec(org.apache.pig.data.Tuple)">exec</A></B>(org.apache.pig.data.Tuple&nbsp;input)</CODE>
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-<TH ALIGN="left"><B>Methods inherited from class org.apache.pig.EvalFunc</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, outputSchema, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</CODE></TD>
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-<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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-<B>Constructor Detail</B></FONT></TH>
-</TR>
-</TABLE>
-
-<A NAME="ReservoirSample.Intermediate()"><!-- --></A><H3>
-ReservoirSample.Intermediate</H3>
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http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/68190ca2/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.html
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diff --git a/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.html b/site/source/docs/datafu/1.1.0/datafu/pig/sampling/ReservoirSample.html
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@@ -1,503 +0,0 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
-<!--NewPage-->
-<HTML>
-<HEAD>
-<!-- Generated by javadoc (build 1.6.0_27) on Wed Nov 06 17:51:16 PST 2013 -->
-<TITLE>
-ReservoirSample (DataFu 1.1.0)
-</TITLE>
-
-<META NAME="date" CONTENT="2013-11-06">
-
-<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">
-
-<SCRIPT type="text/javascript">
-function windowTitle()
-{
-    if (location.href.indexOf('is-external=true') == -1) {
-        parent.document.title="ReservoirSample (DataFu 1.1.0)";
-    }
-}
-</SCRIPT>
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-  SUMMARY:&nbsp;<A HREF="#nested_class_summary">NESTED</A>&nbsp;|&nbsp;<A HREF="#fields_inherited_from_class_org.apache.pig.EvalFunc">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
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-<!-- ======== START OF CLASS DATA ======== -->
-<H2>
-<FONT SIZE="-1">
-datafu.pig.sampling</FONT>
-<BR>
-Class ReservoirSample</H2>
-<PRE>
-java.lang.Object
-  <IMG SRC="../../../resources/inherit.gif" ALT="extended by ">org.apache.pig.EvalFunc&lt;T&gt;
-      <IMG SRC="../../../resources/inherit.gif" ALT="extended by ">org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;
-          <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>datafu.pig.sampling.ReservoirSample</B>
-</PRE>
-<DL>
-<DT><B>All Implemented Interfaces:</B> <DD>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;, org.apache.pig.Algebraic</DD>
-</DL>
-<HR>
-<DL>
-<DT><PRE><FONT SIZE="-1">@Nondeterministic
-</FONT>public class <B>ReservoirSample</B><DT>extends org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;<DT>implements org.apache.pig.Algebraic</DL>
-</PRE>
-
-<P>
-Performs a simple random sample using an in-memory reservoir to produce
- a uniformly random sample of a given size.
- 
- <p>
- This is similar to <A HREF="../../../datafu/pig/sampling/SimpleRandomSample.html" title="class in datafu.pig.sampling"><CODE>SimpleRandomSample</CODE></A>, however it is guaranteed to produce
- a sample of the given size.  This comes at the cost of scalability.
- <A HREF="../../../datafu/pig/sampling/SimpleRandomSample.html" title="class in datafu.pig.sampling"><CODE>SimpleRandomSample</CODE></A> produces a sample of the desired size with likelihood of 99.99%,
- while using less internal storage.  ReservoirSample on the other hand uses internal storage
- with size equaling the desired sample to guarantee the exact sample size.
- </p>
- 
- <p>
- This algebraic implementation is backed by a heap and maintains the original roll in order
- to compensate for skew.
- </p>
-<P>
-
-<P>
-<DL>
-<DT><B>Author:</B></DT>
-  <DD>wvaughan</DD>
-</DL>
-<HR>
-
-<P>
-<!-- ======== NESTED CLASS SUMMARY ======== -->
-
-<A NAME="nested_class_summary"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Nested Class Summary</B></FONT></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>static&nbsp;class</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.Final.html" title="class in datafu.pig.sampling">ReservoirSample.Final</A></B></CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>static&nbsp;class</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.Initial.html" title="class in datafu.pig.sampling">ReservoirSample.Initial</A></B></CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>static&nbsp;class</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.Intermediate.html" title="class in datafu.pig.sampling">ReservoirSample.Intermediate</A></B></CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-</TABLE>
-&nbsp;<!-- =========== FIELD SUMMARY =========== -->
-
-<A NAME="field_summary"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Field Summary</B></FONT></TH>
-</TR>
-</TABLE>
-&nbsp;<A NAME="fields_inherited_from_class_org.apache.pig.EvalFunc"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
-<TH ALIGN="left"><B>Fields inherited from class org.apache.pig.EvalFunc</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>log, pigLogger, reporter, returnType</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-
-<A NAME="constructor_summary"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Constructor Summary</B></FONT></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.html#ReservoirSample(java.lang.String)">ReservoirSample</A></B>(java.lang.String&nbsp;numSamples)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-</TABLE>
-&nbsp;
-<!-- ========== METHOD SUMMARY =========== -->
-
-<A NAME="method_summary"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Method Summary</B></FONT></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;void</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.html#accumulate(org.apache.pig.data.Tuple)">accumulate</A></B>(org.apache.pig.data.Tuple&nbsp;input)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;void</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.html#cleanup()">cleanup</A></B>()</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;org.apache.pig.data.DataBag</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.html#exec(org.apache.pig.data.Tuple)">exec</A></B>(org.apache.pig.data.Tuple&nbsp;input)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.html#getFinal()">getFinal</A></B>()</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.html#getInitial()">getInitial</A></B>()</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.html#getIntermed()">getIntermed</A></B>()</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;org.apache.pig.data.DataBag</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.html#getValue()">getValue</A></B>()</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;org.apache.pig.impl.logicalLayer.schema.Schema</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/ReservoirSample.html#outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)">outputSchema</A></B>(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-</TABLE>
-&nbsp;<A NAME="methods_inherited_from_class_org.apache.pig.EvalFunc"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
-<TH ALIGN="left"><B>Methods inherited from class org.apache.pig.EvalFunc</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
-<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;
-<P>
-
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-
-<A NAME="constructor_detail"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
-<B>Constructor Detail</B></FONT></TH>
-</TR>
-</TABLE>
-
-<A NAME="ReservoirSample(java.lang.String)"><!-- --></A><H3>
-ReservoirSample</H3>
-<PRE>
-public <B>ReservoirSample</B>(java.lang.String&nbsp;numSamples)</PRE>
-<DL>
-</DL>
-
-<!-- ============ METHOD DETAIL ========== -->
-
-<A NAME="method_detail"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
-<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
-<B>Method Detail</B></FONT></TH>
-</TR>
-</TABLE>
-
-<A NAME="accumulate(org.apache.pig.data.Tuple)"><!-- --></A><H3>
-accumulate</H3>
-<PRE>
-public void <B>accumulate</B>(org.apache.pig.data.Tuple&nbsp;input)
-                throws java.io.IOException</PRE>
-<DL>
-<DD><DL>
-<DT><B>Specified by:</B><DD><CODE>accumulate</CODE> in interface <CODE>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</CODE><DT><B>Specified by:</B><DD><CODE>accumulate</CODE> in class <CODE>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</CODE></DL>
-</DD>
-<DD><DL>
-
-<DT><B>Throws:</B>
-<DD><CODE>java.io.IOException</CODE></DL>
-</DD>
-</DL>
-<HR>
-
-<A NAME="cleanup()"><!-- --></A><H3>
-cleanup</H3>
-<PRE>
-public void <B>cleanup</B>()</PRE>
-<DL>
-<DD><DL>
-<DT><B>Specified by:</B><DD><CODE>cleanup</CODE> in interface <CODE>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</CODE><DT><B>Specified by:</B><DD><CODE>cleanup</CODE> in class <CODE>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</CODE></DL>
-</DD>
-<DD><DL>
-</DL>
-</DD>
-</DL>
-<HR>
-
-<A NAME="getValue()"><!-- --></A><H3>
-getValue</H3>
-<PRE>
-public org.apache.pig.data.DataBag <B>getValue</B>()</PRE>
-<DL>
-<DD><DL>
-<DT><B>Specified by:</B><DD><CODE>getValue</CODE> in interface <CODE>org.apache.pig.Accumulator&lt;org.apache.pig.data.DataBag&gt;</CODE><DT><B>Specified by:</B><DD><CODE>getValue</CODE> in class <CODE>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</CODE></DL>
-</DD>
-<DD><DL>
-</DL>
-</DD>
-</DL>
-<HR>
-
-<A NAME="exec(org.apache.pig.data.Tuple)"><!-- --></A><H3>
-exec</H3>
-<PRE>
-public org.apache.pig.data.DataBag <B>exec</B>(org.apache.pig.data.Tuple&nbsp;input)
-                                 throws java.io.IOException</PRE>
-<DL>
-<DD><DL>
-<DT><B>Overrides:</B><DD><CODE>exec</CODE> in class <CODE>org.apache.pig.AccumulatorEvalFunc&lt;org.apache.pig.data.DataBag&gt;</CODE></DL>
-</DD>
-<DD><DL>
-
-<DT><B>Throws:</B>
-<DD><CODE>java.io.IOException</CODE></DL>
-</DD>
-</DL>
-<HR>
-
-<A NAME="outputSchema(org.apache.pig.impl.logicalLayer.schema.Schema)"><!-- --></A><H3>
-outputSchema</H3>
-<PRE>
-public org.apache.pig.impl.logicalLayer.schema.Schema <B>outputSchema</B>(org.apache.pig.impl.logicalLayer.schema.Schema&nbsp;input)</PRE>
-<DL>
-<DD><DL>
-<DT><B>Overrides:</B><DD><CODE>outputSchema</CODE> in class <CODE>org.apache.pig.EvalFunc&lt;org.apache.pig.data.DataBag&gt;</CODE></DL>
-</DD>
-<DD><DL>
-</DL>
-</DD>
-</DL>
-<HR>
-
-<A NAME="getInitial()"><!-- --></A><H3>
-getInitial</H3>
-<PRE>
-public java.lang.String <B>getInitial</B>()</PRE>
-<DL>
-<DD><DL>
-<DT><B>Specified by:</B><DD><CODE>getInitial</CODE> in interface <CODE>org.apache.pig.Algebraic</CODE></DL>
-</DD>
-<DD><DL>
-</DL>
-</DD>
-</DL>
-<HR>
-
-<A NAME="getIntermed()"><!-- --></A><H3>
-getIntermed</H3>
-<PRE>
-public java.lang.String <B>getIntermed</B>()</PRE>
-<DL>
-<DD><DL>
-<DT><B>Specified by:</B><DD><CODE>getIntermed</CODE> in interface <CODE>org.apache.pig.Algebraic</CODE></DL>
-</DD>
-<DD><DL>
-</DL>
-</DD>
-</DL>
-<HR>
-
-<A NAME="getFinal()"><!-- --></A><H3>
-getFinal</H3>
-<PRE>
-public java.lang.String <B>getFinal</B>()</PRE>
-<DL>
-<DD><DL>
-<DT><B>Specified by:</B><DD><CODE>getFinal</CODE> in interface <CODE>org.apache.pig.Algebraic</CODE></DL>
-</DD>
-<DD><DL>
-</DL>
-</DD>
-</DL>
-<!-- ========= END OF CLASS DATA ========= -->
-<HR>
-
-
-<!-- ======= START OF BOTTOM NAVBAR ====== -->
-<A NAME="navbar_bottom"><!-- --></A>
-<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
-<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
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-<A NAME="navbar_bottom_firstrow"><!-- --></A>
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http://git-wip-us.apache.org/repos/asf/incubator-datafu/blob/68190ca2/site/source/docs/datafu/1.1.0/datafu/pig/sampling/SampleByKey.html
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diff --git a/site/source/docs/datafu/1.1.0/datafu/pig/sampling/SampleByKey.html b/site/source/docs/datafu/1.1.0/datafu/pig/sampling/SampleByKey.html
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-<FONT SIZE="-1">
-datafu.pig.sampling</FONT>
-<BR>
-Class SampleByKey</H2>
-<PRE>
-java.lang.Object
-  <IMG SRC="../../../resources/inherit.gif" ALT="extended by ">org.apache.pig.EvalFunc&lt;java.lang.Boolean&gt;
-      <IMG SRC="../../../resources/inherit.gif" ALT="extended by ">org.apache.pig.FilterFunc
-          <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>datafu.pig.sampling.SampleByKey</B>
-</PRE>
-<HR>
-<DL>
-<DT><PRE>public class <B>SampleByKey</B><DT>extends org.apache.pig.FilterFunc</DL>
-</PRE>
-
-<P>
-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>
- 
- <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>
- </p>
-<P>
-
-<P>
-<DL>
-<DT><B>Author:</B></DT>
-  <DD>evion</DD>
-</DL>
-<HR>
-
-<P>
-<!-- =========== FIELD SUMMARY =========== -->
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-<B>Field Summary</B></FONT></TH>
-</TR>
-</TABLE>
-&nbsp;<A NAME="fields_inherited_from_class_org.apache.pig.EvalFunc"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
-<TH ALIGN="left"><B>Fields inherited from class org.apache.pig.EvalFunc</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>log, pigLogger, reporter, returnType</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;
-<!-- ======== CONSTRUCTOR SUMMARY ======== -->
-
-<A NAME="constructor_summary"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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-<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
-<B>Constructor Summary</B></FONT></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/SampleByKey.html#SampleByKey(java.lang.String)">SampleByKey</A></B>(java.lang.String&nbsp;probability)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/SampleByKey.html#SampleByKey(java.lang.String, java.lang.String)">SampleByKey</A></B>(java.lang.String&nbsp;probability,
-            java.lang.String&nbsp;salt)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
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-&nbsp;
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-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;java.lang.Boolean</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/SampleByKey.html#exec(org.apache.pig.data.Tuple)">exec</A></B>(org.apache.pig.data.Tuple&nbsp;input)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
-<CODE>&nbsp;void</CODE></FONT></TD>
-<TD><CODE><B><A HREF="../../../datafu/pig/sampling/SampleByKey.html#setUDFContextSignature(java.lang.String)">setUDFContextSignature</A></B>(java.lang.String&nbsp;signature)</CODE>
-
-<BR>
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
-</TR>
-</TABLE>
-&nbsp;<A NAME="methods_inherited_from_class_org.apache.pig.FilterFunc"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
-<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
-<TH ALIGN="left"><B>Methods inherited from class org.apache.pig.FilterFunc</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>finish</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;<A NAME="methods_inherited_from_class_org.apache.pig.EvalFunc"><!-- --></A>
-<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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-<TH ALIGN="left"><B>Methods inherited from class org.apache.pig.EvalFunc</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, outputSchema, progress, setInputSchema, setPigLogger, setReporter, warn</CODE></TD>
-</TR>
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-<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
-</TR>
-<TR BGCOLOR="white" CLASS="TableRowColor">
-<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
-</TR>
-</TABLE>
-&nbsp;
-<P>
-
-<!-- ========= CONSTRUCTOR DETAIL ======== -->
-
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-<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
-<B>Constructor Detail</B></FONT></TH>
-</TR>
-</TABLE>
-
-<A NAME="SampleByKey(java.lang.String)"><!-- --></A><H3>
-SampleByKey</H3>
-<PRE>
-public <B>SampleByKey</B>(java.lang.String&nbsp;probability)</PRE>
-<DL>
-</DL>
-<HR>
-
-<A NAME="SampleByKey(java.lang.String, java.lang.String)"><!-- --></A><H3>
-SampleByKey</H3>
-<PRE>
-public <B>SampleByKey</B>(java.lang.String&nbsp;probability,
-                   java.lang.String&nbsp;salt)</PRE>
-<DL>
-</DL>
-
-<!-- ============ METHOD DETAIL ========== -->
-
-<A NAME="method_detail"><!-- --></A>
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-<B>Method Detail</B></FONT></TH>
-</TR>
-</TABLE>
-
-<A NAME="setUDFContextSignature(java.lang.String)"><!-- --></A><H3>
-setUDFContextSignature</H3>
-<PRE>
-public void <B>setUDFContextSignature</B>(java.lang.String&nbsp;signature)</PRE>
-<DL>
-<DD><DL>
-<DT><B>Overrides:</B><DD><CODE>setUDFContextSignature</CODE> in class <CODE>org.apache.pig.EvalFunc&lt;java.lang.Boolean&gt;</CODE></DL>
-</DD>
-<DD><DL>
-</DL>
-</DD>
-</DL>
-<HR>
-
-<A NAME="exec(org.apache.pig.data.Tuple)"><!-- --></A><H3>
-exec</H3>
-<PRE>
-public java.lang.Boolean <B>exec</B>(org.apache.pig.data.Tuple&nbsp;input)
-                       throws java.io.IOException</PRE>
-<DL>
-<DD><DL>
-<DT><B>Specified by:</B><DD><CODE>exec</CODE> in class <CODE>org.apache.pig.EvalFunc&lt;java.lang.Boolean&gt;</CODE></DL>
-</DD>
-<DD><DL>
-
-<DT><B>Throws:</B>
-<DD><CODE>java.io.IOException</CODE></DL>
-</DD>
-</DL>
-<!-- ========= END OF CLASS DATA ========= -->
-<HR>
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