> From: Peter Dalgaard [mailto:[EMAIL PROTECTED] > > John Christie <[EMAIL PROTECTED]> writes: > > > what does this mean in R-1.8.1 release notes? > > > > o median() no longer `works' for odd-length > factor variables. > > The median has always been undefined for factors, but nevertheless > median() gave an answer. If the length was even, it would > fail since it needed to average non-numeric values. This > confused some and the answer you got for in the odd-length > case was meaningless anyway (what's the median of three > pears, four apples, and two bananas?). So now we check.
Why not just give an error if median is given an unordered factor? Andy > -- > O__ ---- Peter Dalgaard Blegdamsvej 3 > c/ /'_ --- Dept. of Biostatistics 2200 Cph. N > (*) \(*) -- University of Copenhagen Denmark Ph: > (+45) 35327918 > ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: > (+45) 35327907 > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo> /r-help > ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
