plotBlockImage {spotSegmentation} | R Documentation |
Displays a block of a microarray image.
plotBlockImage(z,title,one)
z |
Intensities of the image pixels, in the form a of a matrix. |
title |
A title for the image plot (optional). |
one |
Sets appropriate graphics parameters for displaying individuals spots (default:FALSE). |
None, other than the displayed plot.
Q. Li, C. Fraley, R. Bumgarner, K. Y. Yeung, and A. Raftery\ Robust model-based segmentation of microarray images,\ Technical Report No.~473, Department of Statistics, University of Washington, January 2005.
data(spotSegTest) # columns of spotSegTest: # 1 intensities from the Cy3 (green) channel # 2 intensities from the Cy5 (red) channel dataTransformation <- function(x) (256*256-1-x)^2*4.71542407E-05 chan1 <- matrix(dataTransformation(spotSegTest[,1]), 144, 199) chan2 <- matrix(dataTransformation(spotSegTest[,2]), 144, 199) plotBlockImage(chan1) plotBlockImage(chan2)