I have a plot I'd like to do wherein I plot to different y data sets and want to have two different y axis's appear (perhaps one on right side and one on left).   I searched R help with all the key phrases I could think of and I have three books covering ggplot but I can't find an example of doing this.   It seems a natural thing to do with ggplot.

Anyone out there have a small example of doing this sort of thing?

Thanks.

colleen

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