Hi all,
I'm using sm library. In the two-dimensional plot of the analysis with one
covariate, I'm able to modify several graphic parameters, either specifying
them directly in the sm.regression() function, either through sm.options().The
only graphical parameter i cannot modify is the width of the smoothed
regression line. I can change its color, style, but not the width (which I must
increase). The only result I was able to obtain is after specifying "lwd" in
par(), which increases the width of not only the regression line , but of
everything (axes, points, ect ect), which is definitely too much.
par(lwd=3)sm.regression(a, b, col="red", lty=2)
does anybody have a suggestion? Do I have to tweak the function code?
Thanks in advance,
D
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