Great, thanks, that was helpful. Andrew
On Thu, Apr 24, 2008 at 2:15 PM, Achim Zeileis <[EMAIL PROTECTED]> wrote: > On Thu, 24 Apr 2008, Andrew Yee wrote: > > > I've found RColorBrewer useful for its qualitative palettes, but wished > that > > it could generate more than 12 qualitative palettes (e.g. with Set3). > Any > > suggestions for alternative color palette generators that can handle e.g. > 18 > > distinctive colors? (I'm aware of using rainbow(), but this doesn't > > generate enough distinct colors when the number of palettes is large). > > Package "vcd" implements several palette generators in HCL space which are > somewhat similar to the palettes in ColorBrewer but provide some more > flexibility. The underlying ideas are explained here > > http://epub.wu-wien.ac.at/dyn/openURL?id=oai:epub.wu-wien.ac.at:epub-wu-01_c87 > See also help("rainbow_hcl", package = "vcd") which has a few more > examples. However, I guess that it will be hard to select a qualitative > palette with 18 distinct colors...I couldn't imagine a plot where it would > be sufficiently easy for humans to decode that. But maybe you can combine > that with some sequential or diverging palette or so? > > Best, > Z > > > Thanks, > > Andrew > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > > > > > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
