Hi,

when we perform tobit command with --guiet flag we sometimes get the following message: "Warning: couldn't improve criterion (gradient = 6.04477e-06)", which /per se/ makes estimation not so quiet. So, the question is: shall we leave current behavior or make 'tobit --quiet' really quiet?

If the later, I wrote a simple patch which suppress any messages (attached). Another possibility would be adding '--silent' flag, which I could do either?

What do you think?

Marcin

--
Marcin Błażejowski
diff --git a/plugin/interval.c b/plugin/interval.c
index 609a849af..1b7f74051 100644
--- a/plugin/interval.c
+++ b/plugin/interval.c
@@ -1181,9 +1181,12 @@ MODEL tobit_via_intreg (int *list, double llim, double rlim,
     }
 
     if (!model.errcode) {
-	/* do the actual analysis */
-	model.errcode = do_interval(ilist, dset, &model,
-				    opt | OPT_T, prn);
+        /* do the actual analysis */
+        if (opt == OPT_Q) {
+            prn = NULL;
+        }
+        model.errcode = do_interval(ilist, dset, &model,
+                                    opt | OPT_T, prn);
     }
 
     clear_model_xpx(&model);
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