On 13-12-18 5:23 PM, capricy gao wrote:
I checked as you suggested. However, I found that the number in those functions are the number of colors. In contrast, my number here means a specific color, for example, 2 in my code means "red", 3 in my code means "green"....
You didn't read very carefully. Duncan Murdoch
On Wednesday, December 18, 2013 1:18 PM, Duncan Murdoch <murdoch.dun...@gmail.com> wrote: On 13-12-18 2:08 PM, capricy gao wrote: > I found all the color transparency was defined with character color, or rgb color. What if I have number code and still try to modify the transparency? > > For example: > >> x=c(1:5) >> color=c(2,2,3,4,5) >> plot(x, col=color) >> plot(x, col=color,pch=20) > > here I defined color by numbers, how can I modify the transparency? See the examples for ?palette. Duncan Murdoch
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