brain | R Documentation |
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.
data(brain)
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.
Y. Guo, T. Hastie, R. Tibshirani, (2006). Regularized linear discriminant analysis and its application in microarrays, Biostatistics 8 pp. 86–100. doi: 10.1093/biostatistics/kxj035.
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