msTransform: Data transformation

Description Usage Arguments Value See Also

Description

Logarithmical or cube root data transformation.

Usage

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## S4 method for signature 'MSdata'
msTransform(msdata, method = "glog10")

Arguments

msdata

MSdata-class object

method

The method of transformation, one of:
"log10" - log10-transformation;
"log2" - log2-transformation;
"glog10" - generalised log10, tolerant to zeros (zeros are replaced with 1/10 of the minimal value);
"glog2" - generalised log2, tolerant to zeros (zeros are replaced with 1/10 of the minimal value);
"cuberoot" - cube root transformation

Value

MSdata-class object with transformed intensity matrix

See Also

msScaling, msNorm, msNormStandards, msNormBiomass


flajole/MSdata documentation built on May 16, 2019, 1:17 p.m.