Can you share the R code too? On Nov 30, 2011, at 2:58 PM, Ted Dunning wrote:
> Here is some that I just whipped up. I have also attached an example of the > output. > > In the sample output, notice how you can see different stories about what > clusters the brown-ish and purple clusters are near.<xyz.png> > > On Tue, Nov 29, 2011 at 8:03 AM, Grant Ingersoll <gsing...@apache.org> wrote: > I'm still learning R, do you have code handy you could share? > > On Nov 29, 2011, at 6:25 AM, Ted Dunning wrote: > > > Coloring is pretty easy in R, which is what I use. I just build a color > > map with the right number of indices and use the cluster id to index the > > colormap. For grins, I vary the transparency according to how seriously > > down-sampled the cluster is. That lets me get a good visual feel for the > > actual cluster size. > > > > On Tue, Nov 29, 2011 at 5:03 AM, Grant Ingersoll <gsing...@apache.org>wrote: > > > >> Anyone have an easy algorithm for coloring clusters in a nice way? That > >> is, given k clusters, color each centroid and all of it's associated points > >> in such a way that it is visually appealing and avoids, to the extent it > >> can, coloring two unique clusters the same color. > >> > > > > > -------------------------------------------- Grant Ingersoll http://www.lucidimagination.com
