Tord Snall <[EMAIL PROTECTED]> writes: > Dear all, > > I think that what I want is an as.data.frame.table-object, but see error > message below.
(Haven't we been here before??) There's no such thing as an as.data.frame.table-object. as.data.frame.table turns table objects into data frames. > I have a data frame with one tree per row, diaclass tells if it is a small, > mid or large tree > > > cpy.tradart[1:5, ] > ObjektID diaclass > 1 AX.Grb.1 bigdia > 2 AX.Grb.1 middia > 3 AX.Grb.1 middia > 4 AX.Grb.1 smalldia > 5 AX.Grb.1 middia > > > > I want a data frame telling no of trees per diameter class, per ObjektID What's wrong with as.data.frame(table(ObjektID,diaclass)) then? -- 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 http://www.stat.math.ethz.ch/mailman/listinfo/r-help
