Hi,
I am a complete R rookie so this question is probably really simple
but I haven't found an answer on the web that I can understand.
My data frame has 3 columns, A, B and C. A and B have numbers (about
8000 rows), C is a factor which is either true or false. So I can
plot A vs B with plot(dataframe$A, dataframe$B). However, I would
like the points to be different colors depending on whether C is True
or False. Even better, if C had more than 2 groups, like group 1,2,3
can I make all 3 different colors, etc? It would be really helpful to
give an example using my scenario since I have a lot of trouble
understanding other examples on the web because the data is not set
up like my data.
Thanks so much!!!
Amanda
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