Re: [R] heatmap plot

2009/7/21 Markus Mühlbacher : > I tried to add white to the colors, but this did not change my problem. Still > the values of the diagonal seem to be different from those occurring in the > matrix. Or in other words all squares of the diagonal should have to SAME > color! If you can send me th

Re: [R] heatmap plot

2009/7/21 Markus Mühlbacher : > So just that I understand right. x and y are the scalings of the x and y axis > and the matrix represents the color of the points at each gridpoint? Precisely! Try ?image for more details. -- Michael Knudsen micknud...@gmail.com http://lifeofknudsen.blogspot.com

Re: [R] heatmap plot

since heatmap is a graphic image it needs the "graphics" library. you can see these two in the examples for heatmap. require(graphics); require(grDevices) Markus Mühlbacher wrote: > > Dear R community! > > I am trying to create a heatmap based on the following data. As you can > see the diago

Re: [R] heatmap plot

2009/7/20 Markus Mühlbacher : > Gives the attached image. Again I am missing the white diagonal. Is there > some kind of sorting that I do not consider? Maybe col=c("white",heat.colors(100)) will do the trick? -- Michael Knudsen micknud...@gmail.com http://lifeofknudsen.blogspot.com/

Re: [R] heatmap plot

2009/7/20 Markus Mühlbacher : > What is my mistake? I don't know about the heatmap function, but I have often used 'image' with 'heat.colors' without any problems. There is a nice example here: http://addictedtor.free.fr/graphiques/graphcode.php?graph=20 It should be fairly easy to fit your dat