--- Cinzia Rienzo wrote:
> i want to decompose the variance of the residuals (that i got from a
> regression) into bwithinn beetwen and total; this has to be for groups
> and by year; so since i have 20 groups i should have 20 values for the
> Within B and Total variance for each year.
It seems to me that what you want to do is an ANCOVA (an ANOVA but
controlled for some other possibly continuous covariates). This can be
done with the -anova- command, see: -help anova-.
Hope this helps,
Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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