tt_d.pairs_treeview =
get_widget_assert (xml, "paired-samples-t-test-treeview2");
tt_d.opt = tt_options_dialog_create (xml, GTK_WINDOW (de));
tt_d.pairs_treeview =
get_widget_assert (xml, "paired-samples-t-test-treeview2");
tt_d.opt = tt_options_dialog_create (xml, GTK_WINDOW (de));