Xprep {SAGx}R Documentation

Fitting of a linear model

Description

The function fits a linear model to a microarray data matrix.

Usage

Xprep(indata=M, formula=~as.factor(g), contrast=c(0,1), design=NULL)

Arguments

indata The data matrix
formula a linear model formula in the lm format
contrast a vector defining the contrast of interest
design the design matrix

Value

a list with the entries

Mbar estimate of the contrast
Vest the error variance
k inverse of the scale factor turning Vest into a standard error
f the degrees of freedom of Vest
design the design matrix

Author(s)

Per Broberg


[Package SAGx version 1.16.0 Index]