[R] interaction effects in a Linear model

in much smarter way?? thanks a lot, Ashok Varma. [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html

[R] testing of randomness of residuals in the lm function in R

Hello, I am fitting a Linear model using R. Now, i want to know how to test whether my model is following the homoscadasticity and residuals being random assumptions or not while fitting the model. thanks a lot in advance, Ashok Varma [[alternative HTML version deleted

Re: [R] interaction effects in a Linear model

Hi Cleland and Dennis, thanks a lot for the answer. Ashok Varma On Mon, Nov 23, 2009 at 5:05 PM, Chuck Cleland wrote: > On 11/23/2009 1:06 AM, ashok varma wrote: > > hello, > > > > i am fitting a Linear model using R. I have to fit the model considering > all > &