plotMotifOverMotif {motifStack} | R Documentation

## plot motif over another motif

### Description

plot motif over another motif to emphesize the difference.

### Usage

    plotMotifOverMotif(motif, backgroundMotif, bgNoise=NA,
                    font="Helvetica-Bold", textgp=gpar())

### Arguments

`motif` | an object of `pcm` or `pfm`
`backgroundMotif` | an object of `pcm` or `pfm`
`bgNoise` | if it is not NA, test will using a background by Dirichlet(1)-distributed random frequencies with weight bg.noise. The value of bgNoise should be a number in the range of 0 to 1, eg. 0.05
`font` | font for logo symbol
`textgp` | text parameter

### Value

none

### Examples

    pcms <- readPCM(file.path(find.package("motifStack"), "extdata"),"pcm$")
    len <- sapply(pcms, function(.ele) ncol(.ele$mat))
    pcms <- pcms[len==7]
    plotMotifOverMotif(pcms[[1]], pcms[[2]], bgNoise=0.05)

[Package motifStack version 1.32.1 Index]