P {GolubRR}R Documentation

P: The correlation between gene expression and class

Description

P computes a statistic defined in Note 16 of Golub et al and referred to there as a correlation. It is defined for two group problems and is the difference in means divided by the sum of the within group standard deviations.

Usage

P(g, c)

Arguments

g A vector of gene expressions.
c A vector of class labels

Details

Given in the description.

Value

The correlation.

Author(s)

R. Gentleman

References

Molecular Classification of Cancer: Class Discovery and Class Prediction by Gene Expression Monitoring, Science, 531-537, 1999, T. R. Golub and D. K. Slonim and P. Tamayo and C. Huard and M. Gaasenbeek and J. P. Mesirov and H. Coller and M.L. Loh and J. R. Downing and M. A. Caligiuri and C. D. Bloomfield and E. S. Lander

See Also

dovote

Examples

 set.seed(123)
 P(rnorm(20), rep(1:2, 10))

[Package GolubRR version 1.3.1 Index]