[R] contrast package with interactions in gls model

[Frank Harrell]

Thanks.  The reason I responded that way is that the error message mentioned
a function gendata that is in the rms and Design packages.  I guess it's in
the contrast package too.
Frank

MarylinBejarano wrote:
> 
> Hi,
> 
> Sorry! I fited model with gls of nlme package. And I trying to contrast
> interaction with function contrast of contrast package.
> 
> I thanks for your reply,
> 
> Regards.
> 
> Marylin Bejarano
> 


-----
Frank Harrell
Department of Biostatistics, Vanderbilt University
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