[R] contour plot - smooth lines

Uwe Ligges ligges at statistik.tu-dortmund.de
Sat Dec 27 16:46:03 CET 2008

tommaso.letterio at unifi.it wrote:
> Dear R-Users,
> I am using 'contour' to plot a graph using values x,y and a matrix z.
> I would like to obtain 'smooth lines' instead of no-smooth contour lines.
> I tried with filled.contour too.
> In a Post I found
> yy <-predict(interpSpline(x, y))
> I could use that method for each range that I want to plot but I hope to 
> find a easier method.

You could also increase the resolution, but that makes your graphics 
rather huge...

Uwe Ligges

> Thank you
> Tommaso Letterio
> DIAF - UniFi
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