Yes, as.formula is the magic tool! Thanks a lot...
Gang
On Sep 19, 2007, at 2:00 PM, Vladimir Eremeev wrote:
>
> lme(as.formula(paste("y~",ww)),random=~1|subj,model)
>
>
> Gang Chen-3 wrote:
>>
>> I want to pass a predefined string ww ("fa*fb+fc") to function lme so
>> that I can run
>>
>>> lme(y ~ fa*fb+fc, random = ~1|subj, model)
>>
>> There must be a simple way to do this. Any help?
>>
>> Thanks,
>> Gang
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