Anything here that might help http://learnr.wordpress.com/2010/01/26/ggplot2-quick-heatmap-plotting/
John Kane Kingston ON Canada > -----Original Message----- > From: joeclar...@hotmail.com > Sent: Mon, 2 Jul 2012 13:21:25 -0700 > To: mueller.eisb...@googlemail.com, r-help@r-project.org > Subject: Re: [R] carpet plots > > > These "carpet plots" are also called "heat maps" and there's a current > thread with the subject line "Heat Maps" in which I've given a couple of > examples of code for them. The R function image() is very easy to use: > > > > image( x=(x values), y=(y values), z=(matrix of z values with x rows and > y columns), col=(vector of colors), breaks=(vector of break points, one > more than colors) ) > > > > What I'd like to know is: does anyone know how to easily create a > legend/key to the color gradients, like the one in the right margin of > Mueller's first example: > (http://www.johannes-hopf.de/wordpress/wp-content/uploads/2009/12/Zufall-300x225.png)? > > > // joseph w. clark , phd candidate > \\ usc marshall school of business > > > ---------------------------------------- >> Date: Mon, 2 Jul 2012 20:05:12 +0200 >> From: mueller.eisb...@googlemail.com >> To: r-help@r-project.org >> Subject: [R] carpet plots >> >> Hi all, >> I wonder why there is so little software for carpet plots (german: >> Rasterdiagramm) (Three dimensional plot (x, y, z), the 3rd dimension >> (z) symbolized by colourgradients). Besides from one or the other non >> free software I only found an OpenOffice macro, a combination of >> Gnuplot and Excel (an Excel macro calling gnuplot) >> (http://www.johannes-hopf.de/2009/12/carpet-plot-version-1-3/9 and >> Quikgrid (http://www.galiander.ca/quikgrid/) which I use for >> bathymetric maps. >> >> Though I use one or two R scripts I have no deeper knowledge. Because >> I think "That's a thing R can do!", I suppose, there are scripts for >> this purpose. Perhaps one of you knows such a script. I would be very >> grateful if you could point me to some information on this subject. >> >> Richard >> >> -- >> Richard Müller . Am Spring 9 . D-58802 Balve >> www.oeko-sorpe.de >> >> ______________________________________________ >> 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. > ______________________________________________ > 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. ____________________________________________________________ FREE 3D MARINE AQUARIUM SCREENSAVER - Watch dolphins, sharks & orcas on your desktop! ______________________________________________ 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.
