% -*- texinfo -*-
% @deftypefn {Function File} {[@var{pval}, @var{chisq}] =} run_test (@var{x})
% Perform a chi-square test with 6 degrees of freedom based on the
% upward runs in the columns of @var{x}. Can be used to test whether
% @var{x} contains independent data.
%
% The p-value of the test is returned in @var{pval}.
%
% If no output argument is given, the p-value is displayed.
% @end deftypefn