rg.quantarray {limma} | R Documentation

## Extract RGList from data.frames Containing Quantarray Data

### Description

Extracts an RGList from Quantarray image analysis output when the data has already been read from files into data.frames objects.

### Usage

    rg.quantarray(slides,names.slides=names(slides),suffix="qta")

### Arguments

`slides` | Character vector giving the names of the data frames containing the Spot output.
`names.slides` | Names to be associated with each slide as column name.
`suffix` | The dataframe names are assumed to have this suffix added to names in `slides`.

### Details

This function extracts the foreground and background intensities from a series of data frames and assembles them in the components of one list.

### Value

A list containing the components

`R` | A matrix containing the red channel foreground intensities for each spot for each array.
`Rb` | A matrix containing the red channel background intensities for each spot for each array.
`G` | A matrix containing the green channel foreground intensities for each spot for each array.
`Gb` | A matrix containing the green channel background intensities for each spot for each array.

### Author(s)

Gordon Smyth

### See Also

An overview of LIMMA functions for reading data is given in 03.ReadingData.

[Package limma version 2.6.2 Index]