On 11-08-01 5:44 AM, Andrew McCulloch wrote:
Hi,
I use R to draw my graphs. I have 100 points on a simple xy-plot. The points are
distinguished by a third variable which is categorical with 10 levels. I have
been plotting x against y and using gray scales to distinguish the level of the
categorical variable for each point. It looks ok to me but a journal reviewer
says this is not any use. I cannot afford to pay for colour prints. Any ideas on
what is the best way to distinguish 10 groups on an xy scatter plot?
Plot digits or letters or other symbols.
Duncan Murdoch
If all else fails I can just remove the graph and give them a table of
regression coefficients.
Thanks.
Yours Sincerely
Andrew McCulloch
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and provide commented, minimal, self-contained, reproducible code.
