Google Git
Sign in
apache / spark-website / 24535be02130e0d53fa589767a053d3747c7ae3b / . / site / docs / 3.3.4 / api / java / org / apache / spark / ml / Estimator.html
blob: 08c168d52ad2aecd126c6d62afe4e7c17ca06189 [file] [log] [blame]
<!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_392) on Fri Dec 08 19:54:28 UTC 2023 -->
<title>Estimator (Spark 3.3.4 JavaDoc)</title>
<meta name="date" content="2023-12-08">
<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
<script type="text/javascript" src="../../../../script.js"></script>
</head>
<body>
<script type="text/javascript"><!--
try {
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="Estimator (Spark 3.3.4 JavaDoc)";
}
}
catch(err) {
}
//-->
var methods = {"i0":6,"i1":6,"i2":10,"i3":10,"i4":10,"i5":10};
var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"],8:["t4","Concrete Methods"]};
var altColor = "altColor";
var rowColor = "rowColor";
var tableTab = "tableTab";
var activeTableTab = "activeTableTab";
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a name="navbar.top">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
<a name="navbar.top.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../overview-summary.html">Overview</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="navBarCell1Rev">Class</li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../index-all.html">Index</a></li>
<li><a href="../../../../help-doc.html">Help</a></li>
</ul>
</div>
<div class="subNav">
<ul class="navList">
<li>Prev&nbsp;Class</li>
<li><a href="../../../../org/apache/spark/ml/FitEnd.html" title="class in org.apache.spark.ml"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../index.html?org/apache/spark/ml/Estimator.html" target="_top">Frames</a></li>
<li><a href="Estimator.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_top");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li>Field&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">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<div class="subTitle">org.apache.spark.ml</div>
<h2 title="Class Estimator" class="title">Class Estimator&lt;M extends <a href="../../../../org/apache/spark/ml/Model.html" title="class in org.apache.spark.ml">Model</a>&lt;M&gt;&gt;</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>Object</li>
<li>
<ul class="inheritance">
<li><a href="../../../../org/apache/spark/ml/PipelineStage.html" title="class in org.apache.spark.ml">org.apache.spark.ml.PipelineStage</a></li>
<li>
<ul class="inheritance">
<li>org.apache.spark.ml.Estimator&lt;M&gt;</li>
</ul>
</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd>java.io.Serializable, org.apache.spark.internal.Logging, <a href="../../../../org/apache/spark/ml/param/Params.html" title="interface in org.apache.spark.ml.param">Params</a>, <a href="../../../../org/apache/spark/ml/util/Identifiable.html" title="interface in org.apache.spark.ml.util">Identifiable</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../org/apache/spark/ml/recommendation/ALS.html" title="class in org.apache.spark.ml.recommendation">ALS</a>, <a href="../../../../org/apache/spark/ml/clustering/BisectingKMeans.html" title="class in org.apache.spark.ml.clustering">BisectingKMeans</a>, <a href="../../../../org/apache/spark/ml/feature/BucketedRandomProjectionLSH.html" title="class in org.apache.spark.ml.feature">BucketedRandomProjectionLSH</a>, <a href="../../../../org/apache/spark/ml/feature/ChiSqSelector.html" title="class in org.apache.spark.ml.feature">ChiSqSelector</a>, <a href="../../../../org/apache/spark/ml/feature/CountVectorizer.html" title="class in org.apache.spark.ml.feature">CountVectorizer</a>, <a href="../../../../org/apache/spark/ml/tuning/CrossValidator.html" title="class in org.apache.spark.ml.tuning">CrossValidator</a>, <a href="../../../../org/apache/spark/ml/fpm/FPGrowth.html" title="class in org.apache.spark.ml.fpm">FPGrowth</a>, <a href="../../../../org/apache/spark/ml/clustering/GaussianMixture.html" title="class in org.apache.spark.ml.clustering">GaussianMixture</a>, <a href="../../../../org/apache/spark/ml/feature/IDF.html" title="class in org.apache.spark.ml.feature">IDF</a>, <a href="../../../../org/apache/spark/ml/feature/Imputer.html" title="class in org.apache.spark.ml.feature">Imputer</a>, <a href="../../../../org/apache/spark/ml/regression/IsotonicRegression.html" title="class in org.apache.spark.ml.regression">IsotonicRegression</a>, <a href="../../../../org/apache/spark/ml/clustering/KMeans.html" title="class in org.apache.spark.ml.clustering">KMeans</a>, <a href="../../../../org/apache/spark/ml/clustering/LDA.html" title="class in org.apache.spark.ml.clustering">LDA</a>, <a href="../../../../org/apache/spark/ml/feature/MaxAbsScaler.html" title="class in org.apache.spark.ml.feature">MaxAbsScaler</a>, <a href="../../../../org/apache/spark/ml/feature/MinHashLSH.html" title="class in org.apache.spark.ml.feature">MinHashLSH</a>, <a href="../../../../org/apache/spark/ml/feature/MinMaxScaler.html" title="class in org.apache.spark.ml.feature">MinMaxScaler</a>, <a href="../../../../org/apache/spark/ml/feature/OneHotEncoder.html" title="class in org.apache.spark.ml.feature">OneHotEncoder</a>, <a href="../../../../org/apache/spark/ml/classification/OneVsRest.html" title="class in org.apache.spark.ml.classification">OneVsRest</a>, <a href="../../../../org/apache/spark/ml/feature/PCA.html" title="class in org.apache.spark.ml.feature">PCA</a>, <a href="../../../../org/apache/spark/ml/Pipeline.html" title="class in org.apache.spark.ml">Pipeline</a>, <a href="../../../../org/apache/spark/ml/Predictor.html" title="class in org.apache.spark.ml">Predictor</a>, <a href="../../../../org/apache/spark/ml/feature/QuantileDiscretizer.html" title="class in org.apache.spark.ml.feature">QuantileDiscretizer</a>, <a href="../../../../org/apache/spark/ml/feature/RFormula.html" title="class in org.apache.spark.ml.feature">RFormula</a>, <a href="../../../../org/apache/spark/ml/feature/RobustScaler.html" title="class in org.apache.spark.ml.feature">RobustScaler</a>, <a href="../../../../org/apache/spark/ml/feature/StandardScaler.html" title="class in org.apache.spark.ml.feature">StandardScaler</a>, <a href="../../../../org/apache/spark/ml/feature/StringIndexer.html" title="class in org.apache.spark.ml.feature">StringIndexer</a>, <a href="../../../../org/apache/spark/ml/tuning/TrainValidationSplit.html" title="class in org.apache.spark.ml.tuning">TrainValidationSplit</a>, <a href="../../../../org/apache/spark/ml/feature/UnivariateFeatureSelector.html" title="class in org.apache.spark.ml.feature">UnivariateFeatureSelector</a>, <a href="../../../../org/apache/spark/ml/feature/VarianceThresholdSelector.html" title="class in org.apache.spark.ml.feature">VarianceThresholdSelector</a>, <a href="../../../../org/apache/spark/ml/feature/VectorIndexer.html" title="class in org.apache.spark.ml.feature">VectorIndexer</a>, <a href="../../../../org/apache/spark/ml/feature/Word2Vec.html" title="class in org.apache.spark.ml.feature">Word2Vec</a></dd>
</dl>
<hr>
<br>
<pre>public abstract class <span class="typeNameLabel">Estimator&lt;M extends <a href="../../../../org/apache/spark/ml/Model.html" title="class in org.apache.spark.ml">Model</a>&lt;M&gt;&gt;</span>
extends <a href="../../../../org/apache/spark/ml/PipelineStage.html" title="class in org.apache.spark.ml">PipelineStage</a></pre>
<div class="block">Abstract class for estimators that fit models to data.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../serialized-form.html#org.apache.spark.ml.Estimator">Serialized Form</a></dd>
</dl>
</li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="nested.class.summary">
<!-- -->
</a>
<h3>Nested Class Summary</h3>
<ul class="blockList">
<li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.spark.internal.Logging">
<!-- -->
</a>
<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.spark.internal.Logging</h3>
<code>org.apache.spark.internal.Logging.SparkShellLoggingFilter</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="../../../../org/apache/spark/ml/Estimator.html#Estimator--">Estimator</a></span>()</code>&nbsp;</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="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>abstract <a href="../../../../org/apache/spark/ml/Estimator.html" title="class in org.apache.spark.ml">Estimator</a>&lt;<a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/spark/ml/Estimator.html#copy-org.apache.spark.ml.param.ParamMap-">copy</a></span>(<a href="../../../../org/apache/spark/ml/param/ParamMap.html" title="class in org.apache.spark.ml.param">ParamMap</a>&nbsp;extra)</code>
<div class="block">Creates a copy of this instance with the same UID and some extra params.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>abstract <a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/spark/ml/Estimator.html#fit-org.apache.spark.sql.Dataset-">fit</a></span>(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset)</code>
<div class="block">Fits a model to the input data.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/spark/ml/Estimator.html#fit-org.apache.spark.sql.Dataset-org.apache.spark.ml.param.ParamMap-">fit</a></span>(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset,
<a href="../../../../org/apache/spark/ml/param/ParamMap.html" title="class in org.apache.spark.ml.param">ParamMap</a>&nbsp;paramMap)</code>
<div class="block">Fits a single model to the input data with provided parameter map.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/spark/ml/Estimator.html#fit-org.apache.spark.sql.Dataset-org.apache.spark.ml.param.ParamPair-org.apache.spark.ml.param.ParamPair...-">fit</a></span>(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset,
<a href="../../../../org/apache/spark/ml/param/ParamPair.html" title="class in org.apache.spark.ml.param">ParamPair</a>&lt;?&gt;&nbsp;firstParamPair,
<a href="../../../../org/apache/spark/ml/param/ParamPair.html" title="class in org.apache.spark.ml.param">ParamPair</a>&lt;?&gt;...&nbsp;otherParamPairs)</code>
<div class="block">Fits a single model to the input data with optional parameters.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/spark/ml/Estimator.html#fit-org.apache.spark.sql.Dataset-org.apache.spark.ml.param.ParamPair-scala.collection.Seq-">fit</a></span>(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset,
<a href="../../../../org/apache/spark/ml/param/ParamPair.html" title="class in org.apache.spark.ml.param">ParamPair</a>&lt;?&gt;&nbsp;firstParamPair,
scala.collection.Seq&lt;<a href="../../../../org/apache/spark/ml/param/ParamPair.html" title="class in org.apache.spark.ml.param">ParamPair</a>&lt;?&gt;&gt;&nbsp;otherParamPairs)</code>
<div class="block">Fits a single model to the input data with optional parameters.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>scala.collection.Seq&lt;<a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/spark/ml/Estimator.html#fit-org.apache.spark.sql.Dataset-scala.collection.Seq-">fit</a></span>(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset,
scala.collection.Seq&lt;<a href="../../../../org/apache/spark/ml/param/ParamMap.html" title="class in org.apache.spark.ml.param">ParamMap</a>&gt;&nbsp;paramMaps)</code>
<div class="block">Fits multiple models to the input data with multiple sets of parameters.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.apache.spark.ml.PipelineStage">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;org.apache.spark.ml.<a href="../../../../org/apache/spark/ml/PipelineStage.html" title="class in org.apache.spark.ml">PipelineStage</a></h3>
<code><a href="../../../../org/apache/spark/ml/PipelineStage.html#params--">params</a>, <a href="../../../../org/apache/spark/ml/PipelineStage.html#transformSchema-org.apache.spark.sql.types.StructType-">transformSchema</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.Object">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;Object</h3>
<code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.apache.spark.ml.param.Params">
<!-- -->
</a>
<h3>Methods inherited from interface&nbsp;org.apache.spark.ml.param.<a href="../../../../org/apache/spark/ml/param/Params.html" title="interface in org.apache.spark.ml.param">Params</a></h3>
<code><a href="../../../../org/apache/spark/ml/param/Params.html#clear-org.apache.spark.ml.param.Param-">clear</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#copyValues-T-org.apache.spark.ml.param.ParamMap-">copyValues</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#defaultCopy-org.apache.spark.ml.param.ParamMap-">defaultCopy</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#explainParam-org.apache.spark.ml.param.Param-">explainParam</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#explainParams--">explainParams</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#extractParamMap--">extractParamMap</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#extractParamMap-org.apache.spark.ml.param.ParamMap-">extractParamMap</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#get-org.apache.spark.ml.param.Param-">get</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#getDefault-org.apache.spark.ml.param.Param-">getDefault</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#getOrDefault-org.apache.spark.ml.param.Param-">getOrDefault</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#getParam-java.lang.String-">getParam</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#hasDefault-org.apache.spark.ml.param.Param-">hasDefault</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#hasParam-java.lang.String-">hasParam</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#isDefined-org.apache.spark.ml.param.Param-">isDefined</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#isSet-org.apache.spark.ml.param.Param-">isSet</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#onParamChange-org.apache.spark.ml.param.Param-">onParamChange</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#set-org.apache.spark.ml.param.Param-T-">set</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#set-org.apache.spark.ml.param.ParamPair-">set</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#set-java.lang.String-java.lang.Object-">set</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#setDefault-org.apache.spark.ml.param.Param-T-">setDefault</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#setDefault-scala.collection.Seq-">setDefault</a>, <a href="../../../../org/apache/spark/ml/param/Params.html#shouldOwn-org.apache.spark.ml.param.Param-">shouldOwn</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.apache.spark.ml.util.Identifiable">
<!-- -->
</a>
<h3>Methods inherited from interface&nbsp;org.apache.spark.ml.util.<a href="../../../../org/apache/spark/ml/util/Identifiable.html" title="interface in org.apache.spark.ml.util">Identifiable</a></h3>
<code><a href="../../../../org/apache/spark/ml/util/Identifiable.html#toString--">toString</a>, <a href="../../../../org/apache/spark/ml/util/Identifiable.html#uid--">uid</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.apache.spark.internal.Logging">
<!-- -->
</a>
<h3>Methods inherited from interface&nbsp;org.apache.spark.internal.Logging</h3>
<code>$init$, initializeForcefully, initializeLogIfNecessary, initializeLogIfNecessary, initializeLogIfNecessary$default$2, initLock, isTraceEnabled, log, logDebug, logDebug, logError, logError, logInfo, logInfo, logName, logTrace, logTrace, logWarning, logWarning, org$apache$spark$internal$Logging$$log__$eq, org$apache$spark$internal$Logging$$log_, uninitialize</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="Estimator--">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>Estimator</h4>
<pre>public&nbsp;Estimator()</pre>
</li>
</ul>
</li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- -->
</a>
<h3>Method Detail</h3>
<a name="copy-org.apache.spark.ml.param.ParamMap-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>copy</h4>
<pre>public abstract&nbsp;<a href="../../../../org/apache/spark/ml/Estimator.html" title="class in org.apache.spark.ml">Estimator</a>&lt;<a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a>&gt;&nbsp;copy(<a href="../../../../org/apache/spark/ml/param/ParamMap.html" title="class in org.apache.spark.ml.param">ParamMap</a>&nbsp;extra)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/spark/ml/param/Params.html#copy-org.apache.spark.ml.param.ParamMap-">Params</a></code></span></div>
<div class="block">Creates a copy of this instance with the same UID and some extra params.
Subclasses should implement this method and set the return type properly.
See <code>defaultCopy()</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/spark/ml/param/Params.html#copy-org.apache.spark.ml.param.ParamMap-">copy</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/spark/ml/param/Params.html" title="interface in org.apache.spark.ml.param">Params</a></code></dd>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/spark/ml/PipelineStage.html#copy-org.apache.spark.ml.param.ParamMap-">copy</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/spark/ml/PipelineStage.html" title="class in org.apache.spark.ml">PipelineStage</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>extra</code> - (undocumented)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>(undocumented)</dd>
</dl>
</li>
</ul>
<a name="fit-org.apache.spark.sql.Dataset-org.apache.spark.ml.param.ParamPair-org.apache.spark.ml.param.ParamPair...-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>fit</h4>
<pre>public&nbsp;<a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a>&nbsp;fit(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset,
<a href="../../../../org/apache/spark/ml/param/ParamPair.html" title="class in org.apache.spark.ml.param">ParamPair</a>&lt;?&gt;&nbsp;firstParamPair,
<a href="../../../../org/apache/spark/ml/param/ParamPair.html" title="class in org.apache.spark.ml.param">ParamPair</a>&lt;?&gt;...&nbsp;otherParamPairs)</pre>
<div class="block">Fits a single model to the input data with optional parameters.
<p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dataset</code> - input dataset</dd>
<dd><code>firstParamPair</code> - the first param pair, overrides embedded params</dd>
<dd><code>otherParamPairs</code> - other param pairs. These values override any specified in this
Estimator's embedded ParamMap.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>fitted model</dd>
</dl>
</li>
</ul>
<a name="fit-org.apache.spark.sql.Dataset-org.apache.spark.ml.param.ParamPair-scala.collection.Seq-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>fit</h4>
<pre>public&nbsp;<a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a>&nbsp;fit(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset,
<a href="../../../../org/apache/spark/ml/param/ParamPair.html" title="class in org.apache.spark.ml.param">ParamPair</a>&lt;?&gt;&nbsp;firstParamPair,
scala.collection.Seq&lt;<a href="../../../../org/apache/spark/ml/param/ParamPair.html" title="class in org.apache.spark.ml.param">ParamPair</a>&lt;?&gt;&gt;&nbsp;otherParamPairs)</pre>
<div class="block">Fits a single model to the input data with optional parameters.
<p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dataset</code> - input dataset</dd>
<dd><code>firstParamPair</code> - the first param pair, overrides embedded params</dd>
<dd><code>otherParamPairs</code> - other param pairs. These values override any specified in this
Estimator's embedded ParamMap.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>fitted model</dd>
</dl>
</li>
</ul>
<a name="fit-org.apache.spark.sql.Dataset-org.apache.spark.ml.param.ParamMap-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>fit</h4>
<pre>public&nbsp;<a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a>&nbsp;fit(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset,
<a href="../../../../org/apache/spark/ml/param/ParamMap.html" title="class in org.apache.spark.ml.param">ParamMap</a>&nbsp;paramMap)</pre>
<div class="block">Fits a single model to the input data with provided parameter map.
<p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dataset</code> - input dataset</dd>
<dd><code>paramMap</code> - Parameter map.
These values override any specified in this Estimator's embedded ParamMap.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>fitted model</dd>
</dl>
</li>
</ul>
<a name="fit-org.apache.spark.sql.Dataset-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>fit</h4>
<pre>public abstract&nbsp;<a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a>&nbsp;fit(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset)</pre>
<div class="block">Fits a model to the input data.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dataset</code> - (undocumented)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>(undocumented)</dd>
</dl>
</li>
</ul>
<a name="fit-org.apache.spark.sql.Dataset-scala.collection.Seq-">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>fit</h4>
<pre>public&nbsp;scala.collection.Seq&lt;<a href="../../../../org/apache/spark/ml/Estimator.html" title="type parameter in Estimator">M</a>&gt;&nbsp;fit(<a href="../../../../org/apache/spark/sql/Dataset.html" title="class in org.apache.spark.sql">Dataset</a>&lt;?&gt;&nbsp;dataset,
scala.collection.Seq&lt;<a href="../../../../org/apache/spark/ml/param/ParamMap.html" title="class in org.apache.spark.ml.param">ParamMap</a>&gt;&nbsp;paramMaps)</pre>
<div class="block">Fits multiple models to the input data with multiple sets of parameters.
The default implementation uses a for loop on each parameter map.
Subclasses could override this to optimize multi-model training.
<p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dataset</code> - input dataset</dd>
<dd><code>paramMaps</code> - An array of parameter maps.
These values override any specified in this Estimator's embedded ParamMap.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>fitted models, matching the input parameter maps</dd>
</dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</div>
<!-- ========= END OF CLASS DATA ========= -->
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a name="navbar.bottom">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
<a name="navbar.bottom.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../overview-summary.html">Overview</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="navBarCell1Rev">Class</li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../index-all.html">Index</a></li>
<li><a href="../../../../help-doc.html">Help</a></li>
</ul>
</div>
<div class="subNav">
<ul class="navList">
<li>Prev&nbsp;Class</li>
<li><a href="../../../../org/apache/spark/ml/FitEnd.html" title="class in org.apache.spark.ml"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../index.html?org/apache/spark/ml/Estimator.html" target="_top">Frames</a></li>
<li><a href="Estimator.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_bottom");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li>Field&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.bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<script defer="defer" type="text/javascript" src="../../../../lib/jquery.js"></script><script defer="defer" type="text/javascript" src="../../../../lib/api-javadocs.js"></script></body>
</html>