getIntensities {Starr} | R Documentation

## Get profile of anntated features from a probe mapping

### Description

This function gets intensities from an ExpressionSet with a given mapping from the mapFeatures function. It is called by getProfiles, if method ”middle” is chosen.

### Usage

    getIntensities(eSet, chr, mapping, gffAnno, upstream, downstream)

### Arguments

`eSet` | an ExpressionSet, containing on sample.
`gffAnno` | a data frame containing the annotation of the features of interest
`upstream` | how many basepairs upstream of the feature start (feature start on the crick strand is end in gffAnno) should be taken.
`upstream` | how many basepairs downtream of the feature start (feature end on the crick strand is start in gffAnno) should be taken.
`chr` | character vector of chromosomes, from which the features should be taken.
`mapping` | a mapping of, which was constructed by the mapFeatures function

### Value

a list with one entry for each feature.

### Author(s)

Benedikt Zacher zacher@lmb.uni-muenchen.de

[Package Starr version 1.42.0 Index]