Home > freetb4matlab > statistics > tests > chisquare_test_homogeneity.m

# chisquare_test_homogeneity

## PURPOSE

% Given two samples @var{x} and @var{y}, perform a chisquare test for

## SYNOPSIS

function [pval, chisq, df] = chisquare_test_homogeneity (x, y, c)

## DESCRIPTION

```% -*- texinfo -*-
% @deftypefn {Function File} {[@var{pval}, @var{chisq}, @var{df}] =} chisquare_test_homogeneity (@var{x}, @var{y}, @var{c})
% Given two samples @var{x} and @var{y}, perform a chisquare test for
% homogeneity of the null hypothesis that @var{x} and @var{y} come from
% the same distribution, based on the partition induced by the
% (strictly increasing) entries of @var{c}.
%
% For large samples, the test statistic @var{chisq} approximately follows a
% chisquare distribution with @var{df} = @code{length (@var{c})}
% degrees of freedom.
%
% The p-value (1 minus the CDF of this distribution at @var{chisq}) is
% returned in @var{pval}.
%
% If no output argument is given, the p-value is displayed.
% @end deftypefn```

## CROSS-REFERENCE INFORMATION

This function calls:
This function is called by:

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