trimPWMedge {MotIV} | R Documentation

## Trim PWM edge

### Description

This function is use to cut edges with low information content.

### Usage

      trimPWMedge(x, threshold=1)

### Arguments

`x` | A matrix representing a PWM.
`threshold` | A transcription factor name or a list of TF names.

### Value

A `PWM`.

### Author(s)

Eloi Mercier <emercier@chibi.ubc.ca>

### See Also

`makePWM`

### Examples

    #####Database and Scores#####
    path <- system.file(package="MotIV")
    jaspar <- readPWMfile(paste(path,"/extdata/jaspar2010.txt",sep=""))
    jaspar.scores <- readDBScores(paste(path,"/extdata/jaspar2010_PCC_SWU.scores",sep=""))

    #####Input#####
    data(FOXA1_rGADEM)
    motifs <- getPWM(gadem)
    motifs.trimed <- lapply(motifs,trimPWMedge, threshold=1)

[Package MotIV version 1.40.0 Index]