[R] color by group in ggplot
dwinsemius at comcast.net
Fri May 3 22:49:48 CEST 2013
On May 3, 2013, at 1:37 PM, Ye Lin wrote:
> I have a dataset like this:
> ID Var1 Var2 Group
> A1 1 1 BB
> A2 1 2 AA
> B1 2 1 CC
> B2 1 3 DD
> C1 1 2 EE
> I would like to plot the points of Var1 and Var2, use "ID" as X-axis, but
> color the points by "Group". I can only manage to color the points by "ID"
> after transform the dataset to "tall" using "reshape" package.
If I were given the task of designing a plotting system that would "decide" what to do with a categorical "x-axis" request, it would probably deliver a barplot. My guess is that you do not want that. But what do you mean by a "point" whose x-value is "A1"?
Alameda, CA, USA
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