mike.campana at freesurf.ch
Tue Apr 20 21:04:18 CEST 2004
I try once again.
In order to clearly mark values wich are larger than a treshold value, I
would like to color the surface below the line given by plot (yy~xx). To
color is only the surface between abline (treshold) and yy if they are
larger than the specific limit. I guess I can use the function polygon,
but I can not find any valuable solution.
I'm grateful to you for an advice, an example or a link.
xx <- c(1:100)
yy <- rnorm(100)
#?? how can I use polygon()
#in order to color surface below yy value and > abline??
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