[R] Overlaying several qqnorm curves in same frame

Hi all, I want to create a rather standard overlaid qqnorm plot on a single variable, with different subgroups of the same dataset plotted using different colors/symbols/etc. (I don't want side-by-side, rather different-colored curves on the same graph) I managed to do it rather tediously using

Re: [R] Overlaying several qqnorm curves in same frame

On 1/6/09, Assaf oron assaf.o...@gmail.com wrote: Hi all, I want to create a rather standard overlaid qqnorm plot on a single variable, with different subgroups of the same dataset plotted using different colors/symbols/etc. (I don't want side-by-side, rather different-colored curves on