jggrad2 {LMGene}R Documentation

Generating Jacobian-corrected data

Description

This function returns a Jacobian-corrected data with the given parameters lambda and alpha.

Usage

jggrad2(y, lambda, alpha)

Arguments

y A matrix data containing array information
lambda A parameter for glog transformation
alpha A parameter for glog transformation

Details

The input arguments here would be rarely dealt by users directly.

Value

data_matrix A matrix containing Jacobian-corrected data, gradient data by lambda and gradient data by alpha

Author(s)

David Rocke and Geun-Cheol Lee

References

B. Durbin and D.M. Rocke, (2003) Estimation of Transformation Parameters for Microarray Data, Bioinformatics, 19, 1360-1367.

http://www.idav.ucdavis.edu/~dmrocke/

See Also

msecalc

Examples

#library
library(Biobase)
library(LMGene)

#data
data(sample.mat)
dim(sample.mat)

JCSmpd<-jggrad2(sample.mat, 500, 50)
dim(JCSmpd)


[Package LMGene version 1.12.0 Index]