leukemia {LogitBoost}R Documentation

A part of the famous AML/ALL-leukemia dataset

Description

This is the training set of the famous AML/ALL-leukemia dataset from the Whitehead Institute. It has been reduced to 250 genes, about the half of which are very informative for classification, whereas the other half was chosen randomly.

Usage

data(leukemia)

Format

Contains three R-objects: The expression matrix leukemia.x, the associated binary response variable leukemia.y, and the associated 3-class response variable leukemia.z

Source

http://www.genome.wi.mit.edu/MPR

References

First published in Golub et al: Molecular Classification of Cancer: Class Discovery and Class Prediction by Gene Expression Monitoring. Science 1999, 286: 531-538.

Examples

data(leukemia)
str(leukemia.x)
str(leukemia.y)
str(leukemia.z)
par(mfrow=c(1,2))
plot(leukemia.x[,56], leukemia.y)
plot(leukemia.x[,174],leukemia.z)

[Package LogitBoost version 1.1-9 Index]