I am trying to make a plot where each data point gets
plotted with a user-defined color, i.e., one set of x-y pairs, with
each point having a different color, and not, e.g., 3 sets with
3 different colors. If anyone has tried
this, I''d appreciate seeing how it''s done. I have tried to
make something analogous to the way "January Pie Sales"
(from the demo("graphics") set) was done, using
''plot''
instead of ''piechart'', but only the first color in the list
gets used.
Thanks for any useful advice.
M. A. LaMadrid
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Hi, Perhaps try the c() parameter. e.g.> x <- 1:10 > # plot(x) > plot( x, col = c( "red", "blue", "black", "cyan", "green", "yellow" ) )It was only an example, I haven''t specified 10 colours for the 10 x values (well it is hard to think 10 colours at once), but you get the idea :-) Cheers, Kevin ---------------------------------------------- Ko-Kang Kevin Wang Head of Statistical Analysis Division Software Developers'' Klub (SDK) University of Auckland Auckland New Zealand -----Original Message----- From: owner-r-help at stat.math.ethz.ch [mailto:owner-r-help at stat.math.ethz.ch]On Behalf Of M. LaMadrid Sent: Thursday, June 28, 2001 11:38 AM To: r-help at stat.math.ethz.ch Cc: M. LaMadrid Subject: [R] plotting points with different colors I am trying to make a plot where each data point gets plotted with a user-defined color, i.e., one set of x-y pairs, with each point having a different color, and not, e.g., 3 sets with 3 different colors. If anyone has tried this, I''d appreciate seeing how it''s done. I have tried to make something analogous to the way "January Pie Sales" (from the demo("graphics") set) was done, using ''plot'' instead of ''piechart'', but only the first color in the list gets used. Thanks for any useful advice. M. A. LaMadrid -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
On Wed, 27 Jun 2001 16:38:12 -0700 (PDT), you wrote in message <Pine.A41.4.33.0106271629260.197708-100000 at homer03.u.washington.edu>:> >I am trying to make a plot where each data point gets >plotted with a user-defined color, i.e., one set of x-y pairs, with >each point having a different color, and not, e.g., 3 sets with >3 different colors. If anyone has tried >this, I''d appreciate seeing how it''s done. I have tried to >make something analogous to the way "January Pie Sales" >(from the demo("graphics") set) was done, using ''plot'' >instead of ''piechart'', but only the first color in the list >gets used.This gives me 10 points in 10 different colours: plot(1:10,1:10,col=1:10) in R 1.3.0 for Windows. What are you doing that''s different? Duncan Murdoch -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
M LaMadrid wrote:> > I am trying to make a plot where each data point gets > plotted with a user-defined color, i.e., one set of x-y pairs, with > each point having a different color...This could be right off target, but I am working on a routine that takes "color maps" and interpolates the colors across a plot. I had intended this for color mapping on something like persp(), but it would easily provide spatially distributed colors on a scattergram if that is what you are trying to do. Jim -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._