Eduardo Klein wrote:
> Hi Jim,
>
> Thanks for the tip, but I really need the same polar chart but over a
line no in a circle. I didn't find it on the plotrix package.
>
Hmmm, are you looking for something like this?
feather.plot<-function(x,y,xpos,yref=0,use.arrows=FALSE,...) {
if(missing(xpos)) xpos<-1:length(x)
xlim<-range(x+xpos)
ylim<-range(y)
plot(0,xlim=xlim,ylim=ylim,type="n")
abline(h=yref)
if(use.arrows) arrows(xpos,yref,xpos+x,y,length=0.1,...)
else segments(xpos,yref,xpos+x,y,...)
}
where x and y are the components of the vectors and xpos is the
positions on the time line? If so, I'll add that to plotrix - looks useful.
Jim
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