[R] color2D.matplot axis names
jim at bitwrit.com.au
Wed Jun 18 12:07:25 CEST 2008
> I finally came up with a nice colored matrixplot, using the color2D.matplot
> function of the plotrix package. But I can't assign xtics and ytics to this
> plot. I made sure that the matrix has correct colnames() and rownames().
> Here's what I do:
> a=matrix(1:16, 4, 4)
> colnames(a) <- c("X1", "X2", "X3", X4)
> rownames(a) <- c("Y1", "Y2", "Y3", "Y4")
> color2D.matplot(a,c(0,1),c(0,0),c(0,0),show.legend=TRUE, show.values=TRUE)
> As you can see from the output of these commands, the ticks are numbers, but
> not the names.
For reasons I can't recall right at the moment, the solution to this is:
You have reminded me that I intended to fix this and have column and row
names as axis labels if they were present.
Note that your assignment of colnames fails because there are no quotes
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