Use the cut() function to produce the interval categories and color
names in the data frame and then pass that variable to the col =
argument in the appropriate plot function. Something like
mydata$mycolors <- cut(mydata$value, c(-Inf, 1, 2, 3, Inf), label =
c('blue', 'green', 'yellow'))
Ask an abstract question, get an abstract answer...
HTH,
Dennis
On Tue, Jul 19, 2011 at 2:30 PM, Sumukh Sathnur
<sumukh.sath...@gmail.com> wrote:
> Hi everyone,
>
> I was wondering if there was a simple way to assign a color to a cell based
> on value in a data frame and return the cell as an image? For example, if
> the value is >1, then blue, if between 1 and 2, green, if between 2 and 3,
> yellow, etc.
>
> I tried using a heatmap function but I was hoping there was an easier way to
> do this.
>
> Thanks,
> Sumukh
>
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