[R] Lattice wireframe or cloud plot with different colours by a group
dwinsemius at comcast.net
Sat Apr 2 01:46:59 CEST 2011
On Apr 1, 2011, at 6:21 PM, Pam Allen wrote:
> I have a question about wireframe 3-D plots and how to apply
> colors. I have
> a large dataset of river flow (m^3/s) over time, and I have coded
> flows based on their height. I would like to produce a wireframe
> plot that
> colors the graph based on the flow code, i.e. I would like high
> flows to be
> red, medium to be green and low flows to be blue. Here is some
> sample data
> with the basic wireframe plot:
> format="%j")), year=as.numeric(format(as.Date(c(1:3000)),
It does not look to me that high flows are properly grouped with `grp`.
> wireframe(flow~day*year, data=flow.dat, shade=T)
wireframe(flow~day*year, data=flow.dat, drape=TRUE,
Because of the coding at the corner and the long thin polygons you
have specified with your day*year splits you get slanting colors.
> Is there any way to specify what colours are passed to the plot? I.e.
> wireframe(flow~day*year, data=flow.dat, shade=T, groups=grp,
> I would also be happy if I could do this with a cloud plot, but I
> can't get
> the colors to plot correctly.
> cloud(flow~day*year, data=flow.dat, shade=T, groups=grp,
> col.group=c("#FF3030","#43CD80","#1E90FF"), pch=20)
> Any help is much appreciated! Thank you.
> -Pam Allen
> allen_pam at hotmail.com
> View this message in context: http://r.789695.n4.nabble.com/Lattice-wireframe-or-cloud-plot-with-different-colours-by-a-group-tp3421296p3421296.html
> Sent from the R help mailing list archive at Nabble.com.
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
More information about the R-help