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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/methods.R
\name{sizeFactors,DESeqDataSet-method}
\alias{sizeFactors,DESeqDataSet-method}
\alias{sizeFactors<-,DESeqDataSet,numeric-method}
\title{Accessor functions for the 'sizeFactors' information in a DESeqDataSet
object.}
\usage{
\S4method{sizeFactors}{DESeqDataSet}(object)
\S4method{sizeFactors}{DESeqDataSet,numeric}(object) <- value
}
\arguments{
\item{object}{a \code{DESeqDataSet} object.}
\item{value}{a numeric vector, one size factor for each column in the count
data.}
}
\description{
The sizeFactors vector assigns to each column of the count matrix a value, the
size factor, such that count values in the columns can be brought to a common
scale by dividing by the corresponding size factor (as performed by
\code{counts(dds, normalized=TRUE)}).
See \code{\link{DESeq}} for a description of the use of size factors.
If gene-specific normalization
is desired for each sample, use \code{\link{normalizationFactors}}.
}
\seealso{
\code{\link{estimateSizeFactors}}
}
\author{
Simon Anders
}
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