On a similar note, I'm trying to plot continuous values on the y vs. categorical (dates) on the x and I want to color by date, but I want the colors to be random so points close to each other are easily distinguishable. Any thoughts?
Thanks, Jon per freem-2 wrote: > > hi all, > > suppose I have a file with several columns, and I want to plot all points > that meet a certain condition (i.e. all points in columns A and B that > have > a value greater than such and such in column C of the data) in a new but > random color. That is, I want all these points to be colored differently > but I dont care what color. The only concern is that the points will be > colored as differently from each other as possible. > > The specific example I have is a file with three columns, X, Y and ID. I > want to plot all rows from X, Y (i.e. all points) that have the same value > (say 1) in their ID column as one color, all points from X, Y that have > the > same ID column value (say 2) as a different color, etc. I dont know ahead > of time how many values the ID column will have so I can't write a > separate > plot statement for each of these sets of X, Y rows that have the same ID > value. > > Is there a way to express this in R? > > thank you. > Is there a way to do this? > > [[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. > > -- View this message in context: http://www.nabble.com/plotting-points-in-random-but-different-colors-based-on-condition-tp24837716p25829680.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
