% -*- texinfo -*-
% @deftypefn {Function File} {} iqr (@var{x}, @var{dim})
% If @var{x} is a vector, return the interquartile range, i.e., the
% difference between the upper and lower quartile, of the input data.
%
% If @var{x} is a matrix, do the above for first non-singleton
% dimension of @var{x}. If the option @var{dim} argument is given,
% then operate along this dimension.
% @end deftypefn