MotIV (version 1.28.0)

makePWM: 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.

Examples

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