Hi,
I was wondering if it is possible to harmonize the ouput of symbols()
and legend() both from the graphics package.
Let us take this example:
x<-runif(10)
y<-runif(10)
z<-runif(10)
leg<-round(seq(min(z),max(z),l=4),2) # 4 values rounded up to 2 decimals
for the legend
symbols(x,y,circles=z,inches=0.2)
legend("topright",legend=leg,pch=1,pt.cex=leg/max(leg)*2) # multiplied
by 2 arbitrarily just to make it visible
Actually, what I want to do is to pass to pt.cex a value which would
make the biggest circle in the legend (leg/max(leg) = 1) exactly the
same size as the one specified in symbols (here 0.2 inches). I suppose
this is possible using par("cin") but I cannot figure out how to do it
properly.
Any hint appreciated,
Best,
Patrick
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