Xiaohui wrote: >... > Then, I did a heatmap for 'test' matrix. But for now, I want to specify > each of the cell in the heatmap according to the values of the > corresponding matrix elements of test. > > Let's say: col<-c("red","yellow","green") > > for test[1,1], the color on the map should be "red". > > I have tried par('usr') and par('mar') with rect function. But this does > not work because the rect shift from the original map. Could any one > tell me how to fill the cells on the map with corresponding values? Or > can we get the actual coordinates of the image excluding the dendregram. > Hi Xiaohui, You may be looking for something like color2D.matplot in the plotrix package or "image" in the graphics package.
Jim ______________________________________________ R-help@stat.math.ethz.ch 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.