Bert, Please excuse me, and let me rephrase:
How do I obtain the confidence intervals of the _standardized_ beta weights for predictors in a linear regression in R? Thank you. Torvon On 21 November 2012 16:10, Bert Gunter <gunter.ber...@gene.com> wrote: > 1. This is a statistics, not an R, question. Post on a statistics > list, like stats.stackexchange.com > > Also... > > On Wed, Nov 21, 2012 at 12:39 PM, Torvon <tor...@gmail.com> wrote: > > I run 9 WLS regressions in R, with 7 predictors each. > > > > What I want to do now is compare: > > (1) The strength of predictors within each model (assuming all predictors > > are significant). That is, I want to say whether x1 is stronger than x2, > > and also say whether it is **significantly stronger.** > > -- I have no idea what this means, though perhaps it is defined > somewhere and in some way that I am not familiar with. When you post > to a stats list, I suggest you provide a reference so the folks there > know what you mean by this. > > -- Bert > > I compare strength by > > simply comparing standardized beta weights, correct? How do I compare if > > one predictor is significantly stronger than the others? I thought about > > comparing confidence intervals, but if I understand correctly the > > confidence intervals are calculated from the unstandardized beta weights, > > which in this case would not help me, correct? > > (2) The strength of the same predictor over different models. I want to > say > > whether x1 affects y1 - y9 equally strong or not. How would I do this? > > > > I hope that I provided all information that is needed. > > Thank you > > T > > > > [[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 > > and provide commented, minimal, self-contained, reproducible code. > > > > -- > > Bert Gunter > Genentech Nonclinical Biostatistics > > Internal Contact Info: > Phone: 467-7374 > Website: > > http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm > [[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 and provide commented, minimal, self-contained, reproducible code.
