I'd suggest that you read
http://cran.r-project.org/doc/manuals/R-intro.html#Formulae-for-statistical-
models before proceeding. It will help a lot, really.
Andy
> From: K Fernandes
>
> Hello,
> I would like to use lm to model the equation y=x^2.
>
> However, when I use
>
> z<-lm(formula=y~x^2)
> summary(z)
>
> I obtain results that are equivalent to when I use
>
> z<-lm(formula=y~x)
> summary(z)
>
> That is, using x instead of x^2.
>
> However, I do get different results when I use
>
> z<-lm(formula=y~log(x))
> summary(z)
>
> Does anyone know why this might be the case? Any ideas are
> appreciated.
>
> Thank you,
> K
>
> ______________________________________________
> 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
>
>