makePWM {MotIV} | R Documentation

## Constructing a pwm object

### Description

This function constructs an object of class pwm from a matrix. It checks that the matrix has correct dimensions and that columns add up to 1.0.

### Usage

    makePWM(pwm, alphabet="DNA")

### Arguments

`pwm` | Matrix representing the positon weight matrix
`alphabet` | Character the alphabet making up the sequence. Currently, only "DNA" is supported.

### Value

An object of class pwm.

### Author(s)

Oliver Bembom, bembom@berkeley.edu

### Examples

    #mFile <- system.file("Exfiles/pwm1", package="seqLogo")
    #m <- read.table(mFile)
    #pwm <- makePWM(m)

[Package MotIV version 1.40.0 Index]