How to deal with this question? Aimin
> plot(p1982) Error: cannot allocate vector of size 3640 Kb In addition: Warning messages: 1: Reached total allocation of 494Mb: see help(memory.size) 2: Reached total allocation of 494Mb: see help(memory.size) 3: Reached total allocation of 494Mb: see help(memory.size) 4: Reached total allocation of 494Mb: see help(memory.size) 5: Reached total allocation of 494Mb: see help(memory.size) 6: Reached total allocation of 494Mb: see help(memory.size) ______________________________________________ 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 and provide commented, minimal, self-contained, reproducible code.