Re: [R] Contour Plots

From: Liaw, Andy <andy_liaw_at_merck.com>
Date: Wed 22 Jun 2005 - 23:52:30 EST


I guess what you want is contours of the density over the x-y plane. There are a few choices that I know of:

kde2d in MASS (part of the `VR' bundle)
bkde2d in KernSmooth
sm.density in sm
locfit in locfit

Andy

> From: Bernard L. Dillard
>
> Hello all.
>
> I'm confused a bit about contour plots. After reading the help at
> "?contour", it seems as though the contour plot is for 3D
> plots (x,y, and
> z). My data is in the form of grid coordinates (x,y), and I
> want to see a
> contour plot of the data so that I can tell where most
> observations lie.
> My question is simple but still evasive.
>
> Say my data is called places. One column is X and another is Y. Or,
>
> places$X places$Y
>
> Coordinate 1 32 50
> Coordinate 2 15 33
> Coordinate 3 28 20
> etc
>
> How do I get R to do the contour plot with no third "z" coordinate?
>
> Thanks.
>
> --
> Do all you can with what you have in the time you have in the
> place you are!
>
> -Nkosi Johnson, 12-year old African hero
>
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
>
>
>



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Jun 23 00:00:06 2005

This archive was generated by hypermail 2.1.8 : Fri 03 Mar 2006 - 03:32:56 EST