search for: peter_cock

Hi All, After a lengthy battle just to get the package installed, I am not able to actually use Rgraphviz to generate any plots. I tried just using the sample code in the documentation (http://www2.warwick.ac.uk/fac/sci/moac/people/students/peter_cock/r/rgraphviz/) and I get the following: *> > library(Rgraphviz) > test.matrix<-matrix(rep(c(0,1,0,0), 9), ncol=6, nrow=6) > rownames(test.matrix)<-c("a", "b", "c", "d", "e", "f") > colnames(test.matrix)<-c("a&q...

Hii.. Could anyone please tell me how to draw 3D histogram in R I have a 20X3 matirx. Now I want 2 of the variable on X and Y axis .And Height of the bar should denote the value of third variable. Thanx Sumit [[alternative HTML version deleted]]

Hi all: As to the "heatmap" function, the default style is "red and yellow",and red refers to low level and yellow refers to high level. How can I change the style to the contrary: red refers to high level and yellow refers to low level? Thanks a lot! My best [[alternative HTML version deleted]]