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94 lines
3.2 KiB
HTML
94 lines
3.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>返回一个训练数据子集的副本。</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.fann-subset-train-data" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">fann_subset_train_data</h1>
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<p class="verinfo">(PECL fann >= 1.0.0)</p><p class="refpurpose"><span class="refname">fann_subset_train_data</span> — <span class="dc-title">返回一个训练数据子集的副本。</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.fann-subset-train-data-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>fann_subset_train_data</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$data</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$pos</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$length</code></span>
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) : <span class="type">resource</span></div>
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<p class="para rdfs-comment">
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返回一个训练数据子集的副本 <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>, 从
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<em>pos</em> 位置开始向前步进 <em>length</em> 个元素。
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</p>
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<p class="para">
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<em>fann_subset_train_data(train_data, 0, fann_length_train_data(train_data))</em> 和 <span class="function"><a href="fann_duplicate_train_data.html" class="function">fann_duplicate_train_data()</a></span>函数的效果是一样的。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.fann-subset-train-data-parameters">
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<h3 class="title">参数</h3>
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<dl>
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<dt>
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<code class="parameter">data</code></dt>
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<dd>
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<p class="para">Neural network training data <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span>.</p>
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</dd>
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<dt>
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<code class="parameter">pos</code></dt>
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<dd>
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<p class="para">
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起始位置。
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</p>
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</dd>
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<dt>
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<code class="parameter">length</code></dt>
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<dd>
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<p class="para">
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复制元素的数量。
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</p>
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</dd>
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</dl>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.fann-subset-train-data-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para"> Returns a train data <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span> on success, or <strong><code>FALSE</code></strong> on error.</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.fann-subset-train-data-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="fann_duplicate_train_data.html" class="function" rel="rdfs-seeAlso">fann_duplicate_train_data()</a> - 返回 fann 训练数据精确的副本。</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |