On 14.01.2010 11:11, Marius Hofert wrote:> Dear R-Users,
>
> I would like to color the data in a splom according to their position in
the matrix, i.e. I would like to have all data shown in the upper left corner to
be blue, all entries below that to be black, and the data to the right to be all
red. I tried to color the "splom" with the following call...
>
> splom(~iris[1:3],col=c("black","blue","red"))
>
> ...however, the colors are mixed. I also constructed a matrix containing
the required colors, but that also did not work. How do I color the splom
according to the location in the matrix as mentioned above?
Do you mean color by the levels of Species?
splom( ~ iris[1:3], col =
c("black","blue","red")[iris[,4]])
Best wishes,
Uwe
> Cheers,
>
> Marius
>
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