+ GtkAction *invoke_frequencies_dialog;
+ GtkAction *invoke_examine_dialog;
+ GtkAction *invoke_regression_dialog;
+
+ GtkAction *invoke_t_test_independent_samples_dialog;
+ GtkAction *invoke_t_test_paired_samples_dialog;
+ GtkAction *invoke_oneway_anova_dialog;
+ GtkAction *invoke_t_test_one_sample_dialog;
+