t->z_score_cnt = cnt;
t->missing_type = dsc->missing_type;
t->include_user_missing = dsc->include_user_missing;
if ( t->missing_type == DSC_LISTWISE )
{
t->var_cnt = dsc->var_cnt;
t->z_score_cnt = cnt;
t->missing_type = dsc->missing_type;
t->include_user_missing = dsc->include_user_missing;
if ( t->missing_type == DSC_LISTWISE )
{
t->var_cnt = dsc->var_cnt;