Dear all, This is to kindly request for your help. I would like to plot my data. The R script below gives some plot that is not clear. How can I get a clear multiple-line plot. The data is attached herewith. ##R Script for_jhon = read.csv("C:/LVM_share/for_ jhon.csv", header=TRUE, sep=";") matplot(for_jhon$ID, cbind(for_jhon[,2:73])) Thanks for your help John