Achim Zeileis <[EMAIL PROTECTED]> writes: > > In fact, it is still not clear to me why it recycles the ramp even > > though it has a surplus of colours (grey levels)! Why not just ignore > > the surplus colours? > > It does! > cols is a vector of length 42 and only the first 30 are used. Try to > use your persp call below with col = cols and col = cols[1:30]. > Z
Just to rub it in, consider > M [,1] [,2] [,3] [,4] [,5] [1,] 2 3 4 5 6 [2,] 3 4 5 6 7 [3,] 4 5 6 7 8 [4,] 5 6 7 8 9 [5,] 6 7 8 9 10 > M2 <- matrix(M[1:16],4,4) > M2 [,1] [,2] [,3] [,4] [1,] 2 6 6 6 [2,] 3 3 7 7 [3,] 4 4 4 8 [4,] 5 5 5 5 -- O__ ---- Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept. of Biostatistics 2200 Cph. N (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html