[R] question about formula for lm

[John Kane]

First check the value of Ytext. 

Try 
Ytext <- X$Yvar

--- Pedro Mardones <mardones.p at gmail.com> wrote:

> Dear all;
> 
> Is there any way to make this to work?:
> 
> .x<-rnorm(50,10,3)
> .y<-.x+rnorm(50,0,1)
> 
> X<-data.frame(.x,.y)
> colnames(X)<-c("Xvar","Yvar")
> 
> Ytext<-"Yvar"
> 
> lm(Ytext~Xvar,data=X) # doesn't run
> 
> lm(Yvar~Xvar,data=X) # does run
> 
> The main idea is to use Ytext as input in a
> function, so you just type
> "Yvar" and the model should fit....
> Also, I need to avoid the expression X$Yvar~X$Xvar
> 
> Thanks for any idea
> 
> PM
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained,
> reproducible code.
>