"Dimitris Rizopoulos" <[EMAIL PROTECTED]> writes: > Hi Luis, > > just use: > > apply( mat, 2, function(x) length(x[!is.na(x)]) )
or: apply(!is.na(mat),2,sum) -- 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://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
