spotSegmentation (version 1.46.0)

plotBlockImage: Plot Microarray Image Block

Description

Displays a block of a microarray image.

Usage

plotBlockImage(z,title,one)

Arguments

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).

Value

References

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.

See Also

spotseg

Examples

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)