connect_action (de, "correlation", G_CALLBACK (correlation_dialog));
connect_action (de, "factor-analysis", G_CALLBACK (factor_dialog));
connect_action (de, "chi-square", G_CALLBACK (chisquare_dialog));
connect_action (de, "correlation", G_CALLBACK (correlation_dialog));
connect_action (de, "factor-analysis", G_CALLBACK (factor_dialog));
connect_action (de, "chi-square", G_CALLBACK (chisquare_dialog));