You can find them in the matrix e(L) after you have run -pca-.
Hope this helps,
Maarten
--- daniel cassar <[email protected]> wrote:
> Hi,
>
> I am at odds with principal components in Stata. I am using -pca- to
> create an index of eight variables but I cannot seem to find a way to
> find a way to get the weights for the underlying variables. Is there
> anybody who can help me with this?
>
> I use the following procedure
>
> -pca var1 var2 var3 var4 var5 var6 var7 var8-
>
> then, I get the first component as my index:
>
> -predict index, score-
>
> How do I get the weights for var1 ... var8 in index?
>
>
> Help very much appreciated.
>
> Best regards,
> DC
>
>
>
>
>
>
>
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-----------------------------------------
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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