Enzo:
You are right (see example, or -viewsource stphtest.ado-).
Thanks,
Maarten
*---------- begin example --------
sysuse cancer, clear
stset studytime, failure(died)
xi: stcox i.drug age, schoenfeld(sch*) scaledsch(sc*)
lowess sc3 _t, ytitle("scaled Schoenfeld - age at interview") name(a)
mean noweight
estat phtest, plot(age) ytitle("scaled Schoenfeld - age at interview")
*---------- end example ----------
--- Enzo Coviello <[email protected]> wrote:
> I believe that estat phtest, plot(varname) internally invokes :
>
> lowess ... , mean noweight
>
> i.e. running mean instead of running line and no wheigts.
>
> Often the lowess plot of scaled Shoenf residuals "by hand" looks
> better than the default plot.
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting adress:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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