Re: [Gretl-users] WG: problem with saving a transposed matrix in the GUI
Hello Sven,
thank you for the quick answer. I'm aware of doing it within the script-language (and
there exist an example in Allin's User-handbook).
I'm writing a little textbook concerning Gretl and I want to demonstrate that it's
possible to generate the estimators of a model using only the GUI. Having the matrix
(X'X), inverting it and then multiplying it with the matrices X' and Y(y-values)
gives the estimators. That's very easy in the script and I want to demstrate it, But
it's interesting to demstrate it in the GUI. Therefore I wanted to save the
intermediate data and multiply them in the "Gretl-Konsole".
I produced the shut-downs of Gretl several times. I think it's not a problem for many
users, because one uses the script :-))
Best wishes
Jürgen Malitte
-----Original-Nachricht-----
Betreff: Re: [Gretl-users] WG: problem with saving a transposed matrix in the GUI
Datum: 2016-04-03T20:18:21+0200
Von: "Sven Schreiber" <svetosch(a)gmx.net>
An: "gretl-users(a)lists.wfu.edu" <gretl-users(a)lists.wfu.edu>
Am 03.04.2016 um 19:50 schrieb juergen.malitte@t-online.de:>
-----Original-Nachricht-----> 8. Try to save the matrix with "speichern
unter" or "speichern" - Gretl> crashes after a short time>
I can confirm this on Win 7 with the latest snapshot, although it
doesn't seem to happen every time and/or immediately.>> going further another
problem arised. I generated the product of X'X> (product of transposed matrix with
the original matrix). Then I wanted> to invert it ! (Menü:Transformieren/Invertieren).
Gretl crashes again.>
I haven't seen this happening (yet). Gretl inverts the matrix alright
for me. (Which doesn't mean I'm doubting your crash.)
If you need to work around this bug urgently after creating the matrix
X, you can do the stuff you need in script form:
<hansl>
matrix XT = X'
matrix XXI = inv(X'X)
</hansl>
But maybe you just wanted to report the bug...
thanks,
sven
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