This function produces a red and green color image of a data matrix using an RGB color specification. Larger entries are represented with reds of increasing intensity, and smaller entries are represented with greens of increasing intensity.
plotMat(x, nrgcols=50, rlabels=FALSE, clabels=FALSE, rcols=1, ccols=1, title="",...)
a matrix of numbers.
the number of colors (>= 1) to be used in the red and green palette.
vector of character strings to be placed at the row
tickpoints, labels for the rows of x.
vector of character strings to be placed at the
column tickpoints, labels for the columns of x.
colors to be used for the labels of the rows of
x. rcols can have either length 1, in which case
all the labels are displayed using the same color, or the same
length as rlabels, in which case a color is specified for the
label of each row of x.
colors to be used for the labels of the columns of
x. ccols can have either length 1, in which case
all the labels are displayed using the same color, or the same
length as clabels, in which case a color is specified for the
label of each column of x.
character string, overall title for the plot.
graphical parameters may also be supplied as arguments to
the function (see par). E.g. zlim=c(-3,3)
Sandrine Dudoit, sandrine@stat.berkeley.edu