param.ct -> ctr (param.ct set to 0 above)

                    %reduce filter matrix with the help of correlation threshold or max number of regressors

                    if ctr < 1

                        % use only auxiliary tcca components that have correlation > ct

                        compindex=find(ADD_trn.ccac>param.ct);

                        compindex=find(ADD_trn.ccac > ctr);

                    else

                        % use only the first ctr auxiliary tcca components (fixed number of

                        % regressors = ctr)