affy (version 1.50.0)

tukey.biweight: One-step Tukey's biweight

Description

One-step Tukey's biweight on a matrix.

Usage

tukey.biweight(x, c = 5, epsilon = 1e-04)

Arguments

x

a matrix.

c

tuning constant (see details).

epsilon

fuzzy value to avoid division by zero (see details).

Value

a vector of values (one value per column in the input matrix).

Details

The details can be found in the given reference.

References

Statistical Algorithms Description Document, 2002, Affymetrix.

See Also

pmcorrect.mas and generateExprVal.method.mas