Dear List, If I use the following code to generate a pdf,
pdf(filename) image(x, y, !is.na(z), col=c("green","black")) dev.off() Can someone extract the 0-1 data (that is, is.na(z)) from the Adobe source? Thank you. Xiaochun [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.