ls = g_array_index (csd->temp_contrasts, GtkTreeModel*, csd->c - 1);
psppire_acr_set_model (PSPPIRE_ACR (csd->acr), GTK_LIST_STORE (ls));
ls = g_array_index (csd->temp_contrasts, GtkTreeModel*, csd->c - 1);
psppire_acr_set_model (PSPPIRE_ACR (csd->acr), GTK_LIST_STORE (ls));