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Add documents for stats functions
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@342783 c90b9560-bf6c-de11-be94-00142212c4b1
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9 changed files with 63 additions and 35 deletions
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@ -3,7 +3,7 @@
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<refentry xml:id="function.stats-rand-get-seeds" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stats_rand_get_seeds</refname>
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<refpurpose>Not documented</refpurpose>
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<refpurpose>Get the seed values of the random number generator</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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@ -11,19 +11,22 @@
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<type>array</type><methodname>stats_rand_get_seeds</methodname>
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<void/>
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</methodsynopsis>
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&warn.undocumented.func;
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<para>
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Returns the current seed values of the random number generator
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</para>
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</refsect1>
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<!--
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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</para>
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</refsect1>
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-->
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns an array of two integers.
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</para>
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</refsect1>
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@ -3,7 +3,7 @@
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<refentry xml:id="function.stats-rand-phrase-to-seeds" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stats_rand_phrase_to_seeds</refname>
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<refpurpose>generate two seeds for the RGN random number generator</refpurpose>
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<refpurpose>Generate two seeds for the RGN random number generator</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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@ -11,9 +11,9 @@
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<type>array</type><methodname>stats_rand_phrase_to_seeds</methodname>
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<methodparam><type>string</type><parameter>phrase</parameter></methodparam>
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</methodsynopsis>
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&warn.undocumented.func;
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<para>
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Generate two seeds for the random number generator from a <parameter>phrase</parameter>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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@ -23,6 +23,7 @@
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<term><parameter>phrase</parameter></term>
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<listitem>
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<para>
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The input phrase
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</para>
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</listitem>
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</varlistentry>
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@ -33,6 +34,7 @@
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns an array of two integers.
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</para>
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</refsect1>
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@ -3,7 +3,7 @@
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<refentry xml:id="function.stats-rand-setall" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stats_rand_setall</refname>
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<refpurpose>Not documented</refpurpose>
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<refpurpose>Set seed values to the random generator</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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@ -12,9 +12,10 @@
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<methodparam><type>int</type><parameter>iseed1</parameter></methodparam>
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<methodparam><type>int</type><parameter>iseed2</parameter></methodparam>
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</methodsynopsis>
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&warn.undocumented.func;
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<para>
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Set <parameter>iseed1</parameter> and <parameter>iseed2</parameter> as seed values to the random generator
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used in statistic functions.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<term><parameter>iseed1</parameter></term>
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<listitem>
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<para>
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The value which is used as the random seed
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</para>
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</listitem>
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</varlistentry>
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<term><parameter>iseed2</parameter></term>
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<listitem>
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<para>
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The value which is used as the random seed
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</para>
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</listitem>
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</varlistentry>
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@ -41,6 +44,7 @@
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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No values are returned.
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</para>
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</refsect1>
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<refentry xml:id="function.stats-stat-binomial-coef" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stats_stat_binomial_coef</refname>
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<refpurpose>Not documented</refpurpose>
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<refpurpose>Returns a binomial coefficient</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodparam><type>int</type><parameter>x</parameter></methodparam>
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<methodparam><type>int</type><parameter>n</parameter></methodparam>
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</methodsynopsis>
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&warn.undocumented.func;
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<para>
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Returns the binomial coefficient of <parameter>n</parameter> choose <parameter>x</parameter>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<term><parameter>x</parameter></term>
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<listitem>
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<para>
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The number of chooses from the set
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</para>
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</listitem>
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</varlistentry>
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<term><parameter>n</parameter></term>
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<listitem>
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<para>
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The number of elements in the set
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</para>
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</listitem>
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</varlistentry>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns the binomial coefficient
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</para>
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</refsect1>
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@ -4,7 +4,7 @@
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<refentry xml:id="function.stats-stat-independent-t" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stats_stat_independent_t</refname>
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<refpurpose>Not documented</refpurpose>
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<refpurpose>Returns the t-value from the independent two-sample t-test</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodparam><type>array</type><parameter>arr1</parameter></methodparam>
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<methodparam><type>array</type><parameter>arr2</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the t-value of the independent two-sample t-test between
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<parameter>arr1</parameter> and <parameter>arr2</parameter>.
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</para>
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&warn.undocumented.func;
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</refsect1>
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<term><parameter>arr1</parameter></term>
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<listitem>
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<para>
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The first set of values
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</para>
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</listitem>
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</varlistentry>
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<term><parameter>arr2</parameter></term>
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<listitem>
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<para>
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The second set of values
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</para>
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</listitem>
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</varlistentry>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns the t-value, or &false; if failure.
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</para>
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</refsect1>
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<refentry xml:id="function.stats-stat-paired-t" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stats_stat_paired_t</refname>
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<refpurpose>Not documented</refpurpose>
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<refpurpose>Returns the t-value of the dependent t-test for paired samples</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodparam><type>array</type><parameter>arr1</parameter></methodparam>
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<methodparam><type>array</type><parameter>arr2</parameter></methodparam>
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</methodsynopsis>
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&warn.undocumented.func;
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<para>
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Returns the t-value of the dependent t-test for paired samples
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<parameter>arr1</parameter> and <parameter>arr2</parameter>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<term><parameter>arr1</parameter></term>
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<listitem>
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<para>
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The first samples
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</para>
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</listitem>
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</varlistentry>
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<term><parameter>arr2</parameter></term>
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<listitem>
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<para>
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The second samples
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</para>
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</listitem>
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</varlistentry>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns the t-value, or &false; if failure.
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</para>
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</refsect1>
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<refentry xml:id="function.stats-stat-percentile" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stats_stat_percentile</refname>
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<refpurpose>Not documented</refpurpose>
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<refpurpose>Returns the percentile value</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>float</type><methodname>stats_stat_percentile</methodname>
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<methodparam><type>float</type><parameter>df</parameter></methodparam>
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<methodparam><type>float</type><parameter>xnonc</parameter></methodparam>
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<methodparam><type>array</type><parameter>arr</parameter></methodparam>
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<methodparam><type>float</type><parameter>perc</parameter></methodparam>
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</methodsynopsis>
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&warn.undocumented.func;
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<para>
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Returns the <parameter>perc</parameter>-th percentile value of the array <parameter>arr</parameter>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>df</parameter></term>
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<term><parameter>arr</parameter></term>
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<listitem>
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<para>
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The input array
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>xnonc</parameter></term>
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<term><parameter>perc</parameter></term>
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<listitem>
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<para>
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The percentile
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</para>
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</listitem>
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</varlistentry>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns the percentile values of the input array.
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</para>
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</refsect1>
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<refentry xml:id="function.stats-stat-powersum" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stats_stat_powersum</refname>
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<refpurpose>Not documented</refpurpose>
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<refpurpose>Returns the power sum of a vector</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodparam><type>array</type><parameter>arr</parameter></methodparam>
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<methodparam><type>float</type><parameter>power</parameter></methodparam>
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</methodsynopsis>
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&warn.undocumented.func;
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<para>
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Returns the sum of the <parameter>power</parameter>-th power of a vector represented as an array <parameter>arr</parameter>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<term><parameter>arr</parameter></term>
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<listitem>
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<para>
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The input array
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</para>
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</listitem>
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</varlistentry>
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<term><parameter>power</parameter></term>
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<listitem>
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<para>
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The power
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</para>
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</listitem>
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</varlistentry>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Returns the power sum of the input array.
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</para>
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</refsect1>
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<refentry xml:id="function.stats-variance" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>stats_variance</refname>
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<refpurpose>Returns the population variance</refpurpose>
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<refpurpose>Returns the variance</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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