Denis Chabot wrote: > Hi, > > I have read about the use of symbols() to draw circles of different > sizes, but I have not been able to find out how to add a legend to > such a graph, legend that would display some specific sizes and their > meaning. > > Before finding the symbols function in Paul Murrell's book, I had > rolled by own function where the variable I want to use to control > circle size was actually used to control cex. I was able to draw a > legend afterward. Symbols seems a bit simpler and I wanted to see if > it would be better than my own function. But without legend it is > less useful. However I'm sure there is a way which I'm not aware of > to draw a legend for a plot drawn with symbols()... > > Thanks in advance, > > Denis Chabot
library(Hmisc) ?xYplot See the size argument and the use of the skey function that is generated by xYplot. Frank > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > -- Frank E Harrell Jr Professor and Chair School of Medicine Department of Biostatistics Vanderbilt University ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
