Re: [R] Post Hoc tests for ANOVA

Amartya: This is probably more of a statistics question than an R question. I would go with the Tukey HSD, were I you as that is its intention. Is there anyone in your organization (school, company, etc) that does statistical consulting? I have had wonderful experience working with the consult

Re: [R] R Kaplan-Meier plotting quirks?

Thank you Chris! That makes very good sense, I was just so in the weeds I could not see it. I will mess with survreg after I am done teaching today. Thank you for the fresh set of eyes and advice. Mike. On Oct 17 2012, Andrews, Chris wrote: Mike, My guess is that you have censored observati

[R] R help: reorder columns in an xyplot

Hello. First post, though I have read scores. Mostly i can solve my problems reading the archives, but I lack the vocabulary to ask this one right. Any social faux pais, I apologize. I am sure this is a very basic question and I am embarrassed to ask, but I spent several hours scouring the arc