Re: error removing intercept in lme

[Sundar Dorai-Raj <sundar.dorai-raj@pdf.com>]

Hi Michael,

Michael Schmidt wrote:
> Using the example on page 18 of "Mixed-Effects Models in S and S-Plus",
> attempting to remove the intercept from the model produces the
> subsequent error.  
>
> > attach(ergoStool)
> > fm3Stool<-lme(effort ~ Type - 1, data=ergoStool, random=~1|subject)
> Problem in lme.formula(effort ~ Type - 1, data = er..: Length of subject
> (variable 3) is 24 != length of others (36)
>
> Have I failed to do something??  

You have `subject' misspelled. Try `Subject' instead. S-PLUS is case 
sensitive.
Regards,
Sundar