robustSummary: Return the Robust Expression Summary of a matrix

In MsCoreUtils: Core Utils for Mass Spectrometry Data

Description

This function calculates the robust summarisation for each feature (protein). Note that the function assumes that the intensities in input e are already log-transformed.

Usage

robustSummary(x, ...)

Arguments

x	A feature by sample matrix containing quantitative data with mandatory colnames and rownames.
...	Additional arguments passed to MASS::rlm().

Value

numeric() vector of length ncol(x) with robust summarised values.

Author(s)

Adriaan Sticker, Sebastian Gibb and Laurent Gatto

See Also

Other Quantitative feature aggregation: aggregate_by_vector(), colCounts(), medianPolish()

Examples

x <- matrix(rnorm(30), nrow = 3)
colnames(x) <- letters[1:10]
rownames(x) <- LETTERS[1:3]
robustSummary(x)

MsCoreUtils documentation built on Nov. 8, 2020, 10:59 p.m.