<?php include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc'; $TOC = array(); $TOC_DEPRECATED = array(); $PARENTS = array(); include_once dirname(__FILE__) ."/toc/ref.stats.inc"; $setup = array ( 'home' => array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'it', ), 'this' => array ( 0 => 'function.stats-rand-gen-f.php', 1 => 'stats_rand_gen_f', 2 => 'Generates a random deviate from the F distribution', ), 'up' => array ( 0 => 'ref.stats.php', 1 => 'Statistic Funzioni', ), 'prev' => array ( 0 => 'function.stats-rand-gen-exponential.php', 1 => 'stats_rand_gen_exponential', ), 'next' => array ( 0 => 'function.stats-rand-gen-funiform.php', 1 => 'stats_rand_gen_funiform', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/stats/functions/stats-rand-gen-f.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?> <div id="function.stats-rand-gen-f" class="refentry"> <div class="refnamediv"> <h1 class="refname">stats_rand_gen_f</h1> <p class="verinfo">(PECL stats >= 1.0.0)</p><p class="refpurpose"><span class="refname">stats_rand_gen_f</span> — <span class="dc-title">Generates a random deviate from the F distribution</span></p> </div> <div class="refsect1 description" id="refsect1-function.stats-rand-gen-f-description"> <h3 class="title">Descrizione</h3> <div class="methodsynopsis dc-description"> <span class="methodname"><strong>stats_rand_gen_f</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$dfn</code></span>, <span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$dfd</code></span>): <span class="type"><a href="language.types.float.php" class="type float">float</a></span></div> <p class="para rdfs-comment"> Generates a random deviate from the F (variance ratio) distribution with "dfn" degrees of freedom in the numerator and "dfd" degrees of freedom in the denominator. Method : directly generates ratio of chisquare variates. </p> </div> <div class="refsect1 parameters" id="refsect1-function.stats-rand-gen-f-parameters"> <h3 class="title">Elenco dei parametri</h3> <p class="para"> <dl> <dt><code class="parameter">dfn</code></dt> <dd> <p class="para"> The degrees of freedom in the numerator </p> </dd> <dt><code class="parameter">dfd</code></dt> <dd> <p class="para"> The degrees of freedom in the denominator </p> </dd> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.stats-rand-gen-f-returnvalues"> <h3 class="title">Valori restituiti</h3> <p class="para"> A random deviate </p> </div> </div><?php manual_footer($setup); ?>