cosmo synthetic dataset hdr

function ds=cosmo_synthetic_dataset(varargin)
% generate synthetic dataset
%
% ds=cosmo_synthetic_dataset(varargin)
%
% Inputs:
%   'size', s               determines the number of features. One of
%                           'tiny', 'small', 'normal', 'big', or 'huge'
%   'type', t               type of dataset. One of 'fmri', 'meeg',
%                           'timelock', 'timefreq', 'surface', or 'source'.