brain: Brain Cancer Microarray Data

Description Usage Format Details Source References


The brain data contains two objects: brain.x, microarray expression data for 42 brain cancer samples and brain.y, the class labels for these samples.




An expression data matrix (42x5597) brain.x and a class label vector (42) brain.y for 42 samples.


brain.y is the class labels of the 42 samples. brain.x is the microarray expression data matrix with each row representing a sample.


Pomeroy, S. et al. (2002) Prediction of Central Nervous System Embryonal Tumor Outcome Based on Gene Expression. Nature, Vol 415, p436-442. The data set is available at


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

Search within the rda package
Search all R packages, documentation and source code

Questions? Problems? Suggestions? or email at

Please suggest features or report bugs with the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.