rda (version 1.0.1)

colon: Colon Cancer Microarray Data

Description

The colon data contains two objects: colon.x, microarray expression data for 62 colon cancer samples and colon.y, the class labels for these samples.

Usage

data(colon)

format

An expression data matrix (62x2000) colon.x and a class label vector (62) colon.y for 62 samples.

source

Alon, U. et al. (1999) Broad Patterns of Gene Expression Revealed by Clustering Analysis of Tumor and Normal Colon Tissues Probed by Oligonucleotide Arrays. PNAS, Vol 96, p6745-6750. The data set is available at http://microarray.princeton.edu/oncology/.

Details

colon.y is the class labels of the 62 samples. colon.x is the microarray expression data matrix with each row representing a sample.

References

Guo, Y. et al. (2004) Regularized Discriminant Analysis and Its Application in Microarrays, Technical Report, Department of Statistics, Stanford University.