sigmasternchen/php-doc-en
1
0
Fork 0
mirror of https://github.com/sigmasternchen/php-doc-en synced 2025-03-16 00:48:54 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add documents for stats functions

Browse source 
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@342758 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Yuji Uchiyama 2017-08-01 21:15:55 +00:00
parent a472e8b974
commit 1572284ed3
15 changed files with 147 additions and 60 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
reference/stats/functions/stats-den-uniform.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-den-uniform" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_den_uniform</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the uniform distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>a</parameter></methodparam>
<methodparam><type>float</type><parameter>b</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the uniform distribution of which the lower bound is
<parameter>a</parameter> and the upper bound is <parameter>b</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,6 +27,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -32,6 +35,7 @@
<term><parameter>a</parameter></term>
<listitem>
<para>
The lower bound of the distribution
</para>
</listitem>
</varlistentry>
@ -39,6 +43,7 @@
<term><parameter>b</parameter></term>
<listitem>
<para>
The upper bound of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

14
reference/stats/functions/stats-dens-beta.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-beta" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_beta</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the beta distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>a</parameter></methodparam>
<methodparam><type>float</type><parameter>b</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the beta distribution of which the shape parameters
are <parameter>a</parameter> and <parameter>b</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,12 +27,14 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>a</parameter></term>
<listitem>
The shape parameter of the distribution
<para>
</para>
</listitem>
@ -39,6 +43,7 @@
<term><parameter>b</parameter></term>
<listitem>
<para>
The shape parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

14
reference/stats/functions/stats-dens-cauchy.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-cauchy" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_cauchy</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the Cauchy distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>ave</parameter></methodparam>
<methodparam><type>float</type><parameter>stdev</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the Cauchy distribution whose location and scale are
<parameter>ave</parameter> and <parameter>stdev</parameter>, respectively.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,6 +27,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -32,6 +35,7 @@
<term><parameter>ave</parameter></term>
<listitem>
<para>
The location parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -39,6 +43,7 @@
<term><parameter>stdev</parameter></term>
<listitem>
<para>
The scale parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

13
reference/stats/functions/stats-dens-chisquare.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-chisquare" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_chisquare</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the chi-square distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -12,9 +12,11 @@
<methodparam><type>float</type><parameter>x</parameter></methodparam>
<methodparam><type>float</type><parameter>dfr</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the chi-square distribution of which the degree of
freedom is <parameter>dfr</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -24,6 +26,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -31,6 +34,7 @@
<term><parameter>dfr</parameter></term>
<listitem>
<para>
The degree of freedom of the distribution
</para>
</listitem>
</varlistentry>
@ -41,6 +45,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

13
reference/stats/functions/stats-dens-exponential.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-exponential" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_exponential</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the exponential distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -12,9 +12,11 @@
<methodparam><type>float</type><parameter>x</parameter></methodparam>
<methodparam><type>float</type><parameter>scale</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the exponential distribution of which the scale is
<parameter>scale</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -24,6 +26,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -31,6 +34,7 @@
<term><parameter>scale</parameter></term>
<listitem>
<para>
The scale of the distribution
</para>
</listitem>
</varlistentry>
@ -41,6 +45,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

14
reference/stats/functions/stats-dens-f.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-f" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_f</refname>
<refpurpose></refpurpose>
<refpurpose>Probability density function of the F distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>dfr1</parameter></methodparam>
<methodparam><type>float</type><parameter>dfr2</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the F distribution of which the degree of freedoms
are <parameter>dfr1</parameter> and <parameter>dfr2</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,6 +27,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -32,6 +35,7 @@
<term><parameter>dfr1</parameter></term>
<listitem>
<para>
The degree of freedom of the distribution
</para>
</listitem>
</varlistentry>
@ -39,6 +43,7 @@
<term><parameter>dfr2</parameter></term>
<listitem>
<para>
The degree of freedom of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

14
reference/stats/functions/stats-dens-gamma.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-gamma" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_gamma</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the gamma distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>shape</parameter></methodparam>
<methodparam><type>float</type><parameter>scale</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the gamma distribution of which the shape parameter
is <parameter>shape</parameter> and the scale parameter is <parameter>scale</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,6 +27,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -32,6 +35,7 @@
<term><parameter>shape</parameter></term>
<listitem>
<para>
The shape parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -39,6 +43,7 @@
<term><parameter>scale</parameter></term>
<listitem>
<para>
The scale parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

14
reference/stats/functions/stats-dens-laplace.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-laplace" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_laplace</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the Laplace distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>ave</parameter></methodparam>
<methodparam><type>float</type><parameter>stdev</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the Laplace distribution of which the location parameter
is <parameter>ave</parameter> and the scale parameter is <parameter>stdev</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,6 +27,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -32,6 +35,7 @@
<term><parameter>ave</parameter></term>
<listitem>
<para>
The location parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -39,6 +43,7 @@
<term><parameter>stdev</parameter></term>
<listitem>
<para>
The shape parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

14
reference/stats/functions/stats-dens-logistic.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-logistic" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_logistic</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the logistic distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>ave</parameter></methodparam>
<methodparam><type>float</type><parameter>stdev</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the gamma distribution of which the location parameter
is <parameter>ave</parameter> and the scale parameter is <parameter>stdev</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,6 +27,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -32,6 +35,7 @@
<term><parameter>ave</parameter></term>
<listitem>
<para>
The location parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -39,6 +43,7 @@
<term><parameter>stdev</parameter></term>
<listitem>
<para>
The shape parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

14
reference/stats/functions/stats-dens-negative-binomial.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-negative-binomial" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_negative_binomial</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the negative binomial distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>n</parameter></methodparam>
<methodparam><type>float</type><parameter>pi</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the negative binomial distribution of which the number of the success
is <parameter>n</parameter> and the success rate is <parameter>pi</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,6 +27,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -32,6 +35,7 @@
<term><parameter>n</parameter></term>
<listitem>
<para>
The number of the success of the distribution
</para>
</listitem>
</varlistentry>
@ -39,6 +43,7 @@
<term><parameter>pi</parameter></term>
<listitem>
<para>
The success rate of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

14
reference/stats/functions/stats-dens-pmf-binomial.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-pmf-binomial" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_pmf_binomial</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability mass function of the binomial distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>n</parameter></methodparam>
<methodparam><type>float</type><parameter>pi</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability mass at <parameter>x</parameter>, where the random variable
follows the binomial distribution of which the number of trials is <parameter>n</parameter>
and the success rate is <parameter>pi</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,6 +27,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability mass is calculated
</para>
</listitem>
</varlistentry>
@ -32,6 +35,7 @@
<term><parameter>n</parameter></term>
<listitem>
<para>
The number of trials of the distribution
</para>
</listitem>
</varlistentry>
@ -39,6 +43,7 @@
<term><parameter>pi</parameter></term>
<listitem>
<para>
The success rate of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability mass at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

16
reference/stats/functions/stats-dens-pmf-hypergeometric.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-pmf-hypergeometric" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_pmf_hypergeometric</refname>
<refpurpose></refpurpose>
<refpurpose>Probability mass function of the hypergeometric distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -14,9 +14,12 @@
<methodparam><type>float</type><parameter>N1</parameter></methodparam>
<methodparam><type>float</type><parameter>N2</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability mass at <parameter>n1</parameter>, where the random variable
follows the hypergeometric distribution of which the number of failure is
<parameter>n2</parameter>, the number of success samples is <parameter>N1</parameter>,
and the number of failure samples is <parameter>N2</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -26,6 +29,7 @@
<term><parameter>n1</parameter></term>
<listitem>
<para>
The number of success, at which the probability mass is calculated
</para>
</listitem>
</varlistentry>
@ -33,6 +37,7 @@
<term><parameter>n2</parameter></term>
<listitem>
<para>
The number of failure of the distribution
</para>
</listitem>
</varlistentry>
@ -40,6 +45,7 @@
<term><parameter>N1</parameter></term>
<listitem>
<para>
The number of success samples of the distribution
</para>
</listitem>
</varlistentry>
@ -47,6 +53,7 @@
<term><parameter>N2</parameter></term>
<listitem>
<para>
The number of failure samples of the distribution
</para>
</listitem>
</varlistentry>
@ -57,6 +64,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability mass at <parameter>n1</parameter> or &false; for failure.
</para>
</refsect1>

12
reference/stats/functions/stats-dens-pmf-poisson.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-pmf-poisson" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_pmf_poisson</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability mass function of the Poisson distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -12,9 +12,10 @@
<methodparam><type>float</type><parameter>x</parameter></methodparam>
<methodparam><type>float</type><parameter>lb</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability mass at <parameter>x</parameter>, where the random variable
follows the Poisson distribution whose parameter is <parameter>lb</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -24,6 +25,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability mass is calculated
</para>
</listitem>
</varlistentry>
@ -31,6 +33,7 @@
<term><parameter>lb</parameter></term>
<listitem>
<para>
The parameter of the Poisson distribution
</para>
</listitem>
</varlistentry>
@ -41,6 +44,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability mass at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

13
reference/stats/functions/stats-dens-t.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-t" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_t</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the t-distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -12,9 +12,11 @@
<methodparam><type>float</type><parameter>x</parameter></methodparam>
<methodparam><type>float</type><parameter>dfr</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the t-distribution of which the degree of
freedom is <parameter>dfr</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -24,6 +26,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -31,6 +34,7 @@
<term><parameter>dfr</parameter></term>
<listitem>
<para>
The degree of freedom of the distribution
</para>
</listitem>
</varlistentry>
@ -41,6 +45,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>

14
reference/stats/functions/stats-dens-weibull.xml
View file

@ -3,7 +3,7 @@
<refentry xml:id="function.stats-dens-weibull" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>stats_dens_weibull</refname>
<refpurpose>Not documented</refpurpose>
<refpurpose>Probability density function of the Weibull distribution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
@ -13,9 +13,11 @@
<methodparam><type>float</type><parameter>a</parameter></methodparam>
<methodparam><type>float</type><parameter>b</parameter></methodparam>
</methodsynopsis>
&warn.undocumented.func;
<para>
Returns the probability density at <parameter>x</parameter>, where the
random variable follows the gamma distribution of which the shape parameter
is <parameter>a</parameter> and the scale parameter is <parameter>b</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
@ -25,6 +27,7 @@
<term><parameter>x</parameter></term>
<listitem>
<para>
The value at which the probability density is calculated
</para>
</listitem>
</varlistentry>
@ -32,6 +35,7 @@
<term><parameter>a</parameter></term>
<listitem>
<para>
The shape parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -39,6 +43,7 @@
<term><parameter>b</parameter></term>
<listitem>
<para>
The scale parameter of the distribution
</para>
</listitem>
</varlistentry>
@ -49,6 +54,7 @@
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The probability density at <parameter>x</parameter> or &false; for failure.
</para>
</refsect1>