[R] error in lm

[paola]

Hi everybody

I am trying to run the next code but I have the next problem

Y1<-cbind(score.sol, score.com.ext, score.pur)
> vol.lm<-lm(Y1~1, data=vol14.df)
> library(MASS)
> stepAIC(vol.lm,~fsex+fjob+fage+fstudies,data=vol14.df)
Start:  AIC=504.83
Y1 ~ 1

Error in addterm.mlm(fit, scope$add, scale = scale, trace = max(0, trace - 
: 
  no addterm method implemented for "mlm" models

Does anybody knows why I get this error?

Thanks in advance
Paola



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