mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-18 05:26:57 +08:00
84 lines
2.2 KiB
HTML
84 lines
2.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
|
<title>Probability density function of the t-distribution</title>
|
|
</head>
|
|
<body class="docs"><div id="layout">
|
|
<div id="layout-content"><div id="function.stats-dens-t" class="refentry">
|
|
<div class="refnamediv">
|
|
<h1 class="refname">stats_dens_t</h1>
|
|
<p class="verinfo">(PECL stats >= 1.0.0)</p><p class="refpurpose"><span class="refname">stats_dens_t</span> — <span class="dc-title">Probability density function of the t-distribution</span></p>
|
|
|
|
</div>
|
|
<div class="refsect1 description" id="refsect1-function.stats-dens-t-description">
|
|
<h3 class="title">说明</h3>
|
|
<div class="methodsynopsis dc-description">
|
|
<span class="methodname"><strong>stats_dens_t</strong></span>
|
|
( <span class="methodparam"><span class="type">float</span> <code class="parameter">$x</code></span>
|
|
, <span class="methodparam"><span class="type">float</span> <code class="parameter">$dfr</code></span>
|
|
) : <span class="type">float</span></div>
|
|
|
|
<p class="para rdfs-comment">
|
|
Returns the probability density at <code class="parameter">x</code>, where the
|
|
random variable follows the t-distribution of which the degree of
|
|
freedom is <code class="parameter">dfr</code>.
|
|
</p>
|
|
</div>
|
|
|
|
<div class="refsect1 parameters" id="refsect1-function.stats-dens-t-parameters">
|
|
<h3 class="title">参数</h3>
|
|
<p class="para">
|
|
<dl>
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">x</code></dt>
|
|
|
|
<dd>
|
|
|
|
<p class="para">
|
|
The value at which the probability density is calculated
|
|
</p>
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">dfr</code></dt>
|
|
|
|
<dd>
|
|
|
|
<p class="para">
|
|
The degree of freedom of the distribution
|
|
</p>
|
|
</dd>
|
|
|
|
|
|
</dl>
|
|
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 returnvalues" id="refsect1-function.stats-dens-t-returnvalues">
|
|
<h3 class="title">返回值</h3>
|
|
<p class="para">
|
|
The probability density at <code class="parameter">x</code> or <strong><code>FALSE</code></strong> for failure.
|
|
</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</div></div></div></body></html> |