madFilter-methods: Median Absolute Deviation Filter

In xps: Processing and Analysis of Affymetrix Oligonucleotide Arrays including Exon Arrays, Whole Genome Arrays and Plate Arrays

Description

This method initializes the Median Absolute Deviation Filter.
The MAD Filter flags all rows with: flag = (mad >= cutoff)

Usage

madFilter(object)
madFilter(object, value)<-

Arguments

object	object of class PreFilter.
value	numeric vector c(cutoff, epsilon).

Details

The method madFilter initializes the following parameters:

	cutoff:	the cutoff level for the filter.
	epsilon:	value to replace mean (default is epsilon=0.01).

Note, that epsilon has no effect on mad.

Value

An initialized PreFilter object.

Author(s)

Christian Stratowa

Examples

prefltr <- PreFilter()
madFilter(prefltr) <- c(0.5,0.01)
str(prefltr)

xps documentation built on Nov. 8, 2020, 6 p.m.