meanTranspose: Transposable model mean.

Description

Estimates row and column means.

Usage

meanTranspose(x, tol = 1e-06)

Arguments

Data matrix.

tol

Tolerance for iterative algorithm when data has missing values.

Value

xOriginal data matrix.
xcenCentered data matrix.
muColumn mean.
nuRow mean.
MMean matrix.

Details

Estimates the row and column means.

References

G. I. Allen and R. Tibshirani, "Transposable regularized covariance models with an application to missing data imputation", Annals of Applied Statistics, 4:2, 764-790, 2010.

Examples

Run this code

x = matrix(rnorm(100*50),100,50)

#row and column centered data matrix
xc = meanTranspose(x)$xcen

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