Re: [R] ordered factor and unordered factor

> 801.408.8111 > > >> -Original Message- >> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- >> project.org] On Behalf Of Peng Yu >> Sent: Sunday, November 08, 2009 4:28 PM >> To: r-h...@stat.math.ethz.ch >> Subject: [R] ordered factor a

Re: [R] ordered factor and unordered factor

801.408.8111 > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Peng Yu > Sent: Sunday, November 08, 2009 4:28 PM > To: r-h...@stat.math.ethz.ch > Subject: [R] ordered factor and unordered factor > > I don

[R] ordered factor and unordered factor

I don't understand under what situation ordered factor rather than unordered factor should be used. Could somebody give me some examples? What are the implications of order vs. unordered factors? Could somebody recommend a textbook to me? __ R-help@r-pro