Very useful comment and helpful website! Many thanks to you!!! SH
On Fri, Nov 16, 2012 at 5:16 PM, Ben Bolker <bbol...@gmail.com> wrote: > SH <emptican <at> gmail.com> writes: > >> >> Dear list: >> >> Can I use simple linear regression when I have proportion data for >> both dependent and independent variables? Or, should I use beta >> regression analysis? Or any suggestion? >> > > The distribution of the independent variable is irrelevant (in > some circumstances it matters whether it is measured without error or not). > > Depending on what you want to do, and how close the proportion data > come to 0 or 1, you might choose to use linear regression, or linear > regression > on arcsine-square-root transformed data, or beta regression. It really > depends what you want to do with the answers and what your audience expects. > You might try this on http://stats.stackexchange.com with a bit more context. > > Ben Bolker > > ______________________________________________ > 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. ______________________________________________ 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.
