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http://git-wip-us.apache.org/repos/asf/mahout/blob/3768d4d6/docs/0.13.0/api/docs/mahout-examples/org/apache/mahout/cf/taste/example/kddcup/DataFileIterator.html
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-<a name="skip.navbar.top">
-<!--   -->
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-<!-- ========= END OF TOP NAVBAR ========= -->
-<!-- ======== START OF CLASS DATA ======== -->
-<div class="header">
-<div class="subTitle">org.apache.mahout.cf.taste.example.kddcup</div>
-<h2 title="Class DataFileIterator" class="title">Class DataFileIterator</h2>
-</div>
-<div class="contentContainer">
-<ul class="inheritance">
-<li><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true";
 title="class or interface in java.lang">java.lang.Object</a></li>
-<li>
-<ul class="inheritance">
-<li>com.google.common.collect.UnmodifiableIterator&lt;T&gt;</li>
-<li>
-<ul class="inheritance">
-<li>com.google.common.collect.AbstractIterator&lt;<a 
href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/common/Pair.html?is-external=true";
 title="class or interface in org.apache.mahout.common">Pair</a>&lt;<a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model">PreferenceArray</a>,long[]&gt;&gt;</li>
-<li>
-<ul class="inheritance">
-<li>org.apache.mahout.cf.taste.example.kddcup.DataFileIterator</li>
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-<dt>All Implemented Interfaces:</dt>
-<dd><a 
href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true";
 title="class or interface in java.io">Closeable</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true";
 title="class or interface in java.lang">AutoCloseable</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true";
 title="class or interface in java.util">Iterator</a>&lt;<a 
href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/common/Pair.html?is-external=true";
 title="class or interface in org.apache.mahout.common">Pair</a>&lt;<a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model">PreferenceArray</a>,long[]&gt;&gt;, <a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/SkippingIterator.html?is-external=true";
 title="class or i
 nterface in org.apache.mahout.cf.taste.impl.common">SkippingIterator</a>&lt;<a 
href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/common/Pair.html?is-external=true";
 title="class or interface in org.apache.mahout.common">Pair</a>&lt;<a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model">PreferenceArray</a>,long[]&gt;&gt;</dd>
-</dl>
-<hr>
-<br>
-<pre>public final class <span class="typeNameLabel">DataFileIterator</span>
-extends com.google.common.collect.AbstractIterator&lt;<a 
href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/common/Pair.html?is-external=true";
 title="class or interface in org.apache.mahout.common">Pair</a>&lt;<a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model">PreferenceArray</a>,long[]&gt;&gt;
-implements <a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/SkippingIterator.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.impl.common">SkippingIterator</a>&lt;<a 
href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/common/Pair.html?is-external=true";
 title="class or interface in org.apache.mahout.common">Pair</a>&lt;<a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model">PreferenceArray</a>,long[]&gt;&gt;, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true";
 title="class or interface in java.io">Closeable</a></pre>
-<div class="block"><p>An <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true";
 title="class or interface in java.util"><code>Iterator</code></a> which 
iterates over any of the KDD Cup's rating files. These include the files
- {train,test,validation}Idx{1,2}}.txt. See http://kddcup.yahoo.com/. Each 
element in the iteration corresponds
- to one user's ratings as a <a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model"><code>PreferenceArray</code></a> and 
corresponding timestamps as a parallel <code>long</code>
- array.</p>
-
- <p>Timestamps in the data set are relative to some unknown point in time, for 
anonymity. They are assumed
- to be relative to the epoch, time 0, or January 1 1970, for purposes 
here.</p></div>
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-<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">
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href="../../../../../../../org/apache/mahout/cf/taste/example/kddcup/DataFileIterator.html#DataFileIterator-java.io.File-">DataFileIterator</a></span>(<a
 
href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true";
 title="class or interface in java.io">File</a>&nbsp;dataFile)</code>&nbsp;</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="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>
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-<tr id="i0" class="altColor">
-<td class="colFirst"><code>void</code></td>
-<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../../org/apache/mahout/cf/taste/example/kddcup/DataFileIterator.html#close--">close</a></span>()</code>&nbsp;</td>
-</tr>
-<tr id="i1" class="rowColor">
-<td class="colFirst"><code>protected <a 
href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/common/Pair.html?is-external=true";
 title="class or interface in org.apache.mahout.common">Pair</a>&lt;<a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model">PreferenceArray</a>,long[]&gt;</code></td>
-<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../../org/apache/mahout/cf/taste/example/kddcup/DataFileIterator.html#computeNext--">computeNext</a></span>()</code>&nbsp;</td>
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-<tr id="i2" class="altColor">
-<td class="colFirst"><code>void</code></td>
-<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../../org/apache/mahout/cf/taste/example/kddcup/DataFileIterator.html#skip-int-">skip</a></span>(int&nbsp;n)</code>&nbsp;</td>
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 title="class or interface in java.lang">Object</a></h3>
-<code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--";
 title="class or interface in java.lang">clone</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-";
 title="class or interface in java.lang">equals</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--";
 title="class or interface in java.lang">finalize</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--";
 title="class or interface in java.lang">getClass</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--";
 title="class or interface in java.lang">hashCode</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--";
 title="class or interface in java.lang">notify</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang
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java.lang">notifyAll</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--";
 title="class or interface in java.lang">toString</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--";
 title="class or interface in java.lang">wait</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-";
 title="class or interface in java.lang">wait</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-";
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 title="class or interface in java.util">Iterator</a></h3>
-<code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true#forEachRemaining-java.util.function.Consumer-";
 title="class or interface in java.util">forEachRemaining</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true#hasNext--";
 title="class or interface in java.util">hasNext</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true#next--";
 title="class or interface in java.util">next</a>, <a 
href="http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html?is-external=true#remove--";
 title="class or interface in java.util">remove</a></code></li>
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href="http://docs.oracle.com/javase/7/docs/api/java/io/File.html?is-external=true";
 title="class or interface in java.io">File</a>&nbsp;dataFile)
-                 throws <a 
href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true";
 title="class or interface in java.io">IOException</a></pre>
-<dl>
-<dt><span class="throwsLabel">Throws:</span></dt>
-<dd><code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/io/IOException.html?is-external=true";
 title="class or interface in java.io">IOException</a></code></dd>
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href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/common/Pair.html?is-external=true";
 title="class or interface in org.apache.mahout.common">Pair</a>&lt;<a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model">PreferenceArray</a>,long[]&gt;&nbsp;computeNext()</pre>
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-<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
-<dd><code>computeNext</code>&nbsp;in 
class&nbsp;<code>com.google.common.collect.AbstractIterator&lt;<a 
href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/common/Pair.html?is-external=true";
 title="class or interface in org.apache.mahout.common">Pair</a>&lt;<a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model">PreferenceArray</a>,long[]&gt;&gt;</code></dd>
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-<pre>public&nbsp;void&nbsp;skip(int&nbsp;n)</pre>
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-<dd><code><a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/SkippingIterator.html?is-external=true#skip-int-";
 title="class or interface in 
org.apache.mahout.cf.taste.impl.common">skip</a></code>&nbsp;in 
interface&nbsp;<code><a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/impl/common/SkippingIterator.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.impl.common">SkippingIterator</a>&lt;<a 
href="http://mahout.apache.org/mahout-math/apidocs/org/apache/mahout/common/Pair.html?is-external=true";
 title="class or interface in org.apache.mahout.common">Pair</a>&lt;<a 
href="http://mahout.apache.org/mahout-mr/apidocs/org/apache/mahout/cf/taste/model/PreferenceArray.html?is-external=true";
 title="class or interface in 
org.apache.mahout.cf.taste.model">PreferenceArray</a>,long[]&gt;&gt;</code></dd>
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-<pre>public&nbsp;void&nbsp;close()</pre>
-<dl>
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-<dd><code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true#close--";
 title="class or interface in java.io">close</a></code>&nbsp;in 
interface&nbsp;<code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/io/Closeable.html?is-external=true";
 title="class or interface in java.io">Closeable</a></code></dd>
-<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
-<dd><code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true#close--";
 title="class or interface in java.lang">close</a></code>&nbsp;in 
interface&nbsp;<code><a 
href="http://docs.oracle.com/javase/7/docs/api/java/lang/AutoCloseable.html?is-external=true";
 title="class or interface in java.lang">AutoCloseable</a></code></dd>
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