2009/7/21 Markus Mühlbacher muehli...@yahoo.com:
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
2009/7/21 Markus Mühlbacher muehli...@yahoo.com:
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
Dear R community!
I am trying to create a heatmap based on the following data. As you can see the
diagonal (0,0 to 10,10) is always 0). If I run the heatmap command like i
posted it I get a graph with horizontal lines.
What is my mistake?
heatmap(activity.matrix, Rowv = NA, Colv = NA,
2009/7/20 Markus Mühlbacher muehli...@yahoo.com:
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
2009/7/20 Markus Mühlbacher muehli...@yahoo.com:
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
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 diagonal
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