Very nice graphic indeed ! One way or another, it would be useful to have such examples in the help page of colors().
Thanks for your time !! Best, Gael. > -----Message d'origine----- > De : Dennis Murphy [mailto:djmu...@gmail.com] > Envoyé : lundi 30 janvier 2012 19:51 > À : Millot Gael > Cc : r-devel@r-project.org > Objet : Re: [Rd] Help page of colors() : add a new example ? > > Here's another graphic that shows R colors in a table, from Earl Glynn > of the Stowers Institute of Medicine: > > http://research.stowers-institute.org/efg/R/Color/Chart/ > > If the link doesn't bring up the page (my didn't initially), Google on > 'Earl Glynn Stowers' and look for the link 'Chart of R Colors'. > > Dennis > > > On Mon, Jan 30, 2012 at 6:46 AM, Millot Gael <gael.mil...@curie.fr> wrote: > > Dear all, > > > > May I suggest to add an example in the help page of the colors() function ? > > The following code could be useful to easily choose any color from colors() > > : > > > > ## Millot G. (2011), p.71. > > ## Figure displaying all the 657 built-in color names of colors(). > > palette(colors()) > > tempo<-NULL > > for(i in 14:1){tempo<-c(tempo, rep(i,50))} > > windows(width=10) # replace by quartz(width=10) for MacOS and by > X11(width=10) for Linux > > par(ann=FALSE, xaxt="n", yaxt="n", bty="n") > > plot(rep(1:50,14)[1:657], tempo[1:657], pch=22, bg=1:657, cex=1.5, bty="n") > > par(xpd=TRUE) > > axis(side=2, at=14:1, labels=, cex.axis=1.5, srt=90) > > text(rep(-2, 14), 14:1, as.character((0:13)*50+1), srt=0, cex=1) > > text(c(10,20,30,40,50), rep(-0.5,5), c(10,20,30,40,50), srt=0, cex=1) > > > > ## palette(colors()) allow to replace the color names by the numbers > > indicated > > ## in the figure. > > palette(colors()) > > plot(1, col=630, pch=16, cex=10) # 630 is "tomato" > > > > This code comes from the page 71 of the book I published in french: > > Millot G. Comprendre et réaliser les tests statistiques à l'aide de R, 2nd > > edition. > De Boeck editions, Bruxelles . 2011, 767 pages. > > > > I wrote it since my students usually complain about the difficulty to > > select a color > > from colors() when the names are displayed. > > > > Kind regards, > > > > Gael Millot. > > > > ______________________________________________ > > R-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
