sumChannels {RNAither} | R Documentation

## Summarize channels

### Description

Summarizes two channels, for example by computing their ratio.

### Usage

    sumChannels(header, dataset, funName, colname4ch1, colname4ch2)

### Arguments

`header` | the header of a dataset file generated with `generateDatasetFile`
`dataset` | an R data frame generated with `generateDatasetFile`
`funName` | the function used to summarize the two channels, for example `divideChannels`
`colname4ch1` | a character string specifying the name of the dataset column containing the first channel
`colname4ch2` | a character string specifying the name of the dataset column containing the second channel

### Details

The original dataset columns are saved as extra columns with the suffix `".old"` by the function `saveOldIntensityColumns`.

### Value

A list containing:

`header` | the header with an entry about the channel summarization added in the comments section
`newDataset` | the new dataset

### See Also

`eraseDataSetColumn`, `divideChannels`, `saveOldIntensityColumns`

### Examples

    data(exampleHeader, package="RNAither")
    data(exampleDataset, package="RNAither")

    newdataset=sumChannels(header, dataset, divideChannels, "SigIntensity", "NbCells")

[Package RNAither version 1.4.2 Index]