Re: [R] plotting with varying dot sizes

I think I located the problem. the data frame associated with my spatial object (Insitu_sp) contains some NAs. And in this case, the function plot does not like NAs. It simply behaved strangely. The code below did the trick : idx = is.na(Insitu[,"SPM"]) ptsize = 0.35*(sqrt(Insitu[!idx,"SPM"])+1) p

Re: [R] plotting with varying dot sizes

The symbols function may work better than plot for this situation. -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Beha