did you use the "pkshape" command to reshape your data ?
Alvine
> -----Message d'origine-----
> De: Banya, Winston [mailto:[email protected]]
> Date: mercredi 25 septembre 2002 15:52
> �: '[email protected]'
> Objet: st: using pkcross
> 
> 
> Dear All,
> 
> I  am using the pkcorss command to analyse a crossover trial 
> data for the
> first time. I rearranged my data to look like the data 
> structure on page 521
> of the reference manual (version 7). and when I executed the 
> pkcross command
> I received the following error message 'carry not a variable 
> in the data'.
> I do not understand this message. Can someone please help 
> explain how I can
> set up my data for pkcross to work?
> 
> kind regards
> 
> Winston Banya
> Care of The Elderly Section
> Imperial College School of Medicine
> Hamersmith Hospital Campus
> Du Cane Road
> London W12 0NN
> 
> Tel: (+44) 0208 383 4284
> Fax: (+44) 0208 383 3378
> Email: [email protected]
> 
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