Hannu Kahra wrote:
Hi,
I have a graph with seven parallel horizontal lines. Is it possible to
shade the area between two adjacent lines?
Hi Hannu,
Easy if you know the endpoints of the lines.
plot(rep(1,2),type="l",ylim=c(0,8))
for(i in 1:6) {
lines(rep(i+1,2))
polygon(c(1,1,2,2),c(i,i+1,i+1,i),col=i)
}
Jim
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