https://github.com/cran/Hmisc
Revision afe4611ab97abdd82cecff1ca212bc9231c9e088 authored by Frank E Harrell Jr on 22 March 2004, 00:00:00 UTC, committed by cran-robot on 22 March 2004, 00:00:00 UTC
1 parent abaf1ce
Tip revision: afe4611ab97abdd82cecff1ca212bc9231c9e088 authored by Frank E Harrell Jr on 22 March 2004, 00:00:00 UTC
version 2.0-9
version 2.0-9
Tip revision: afe4611
rMultinom.Rd
\name{rMultinom}
\alias{rMultinom}
\title{Generate Multinomial Random Variables with Varying Probabilities}
\description{
Given a matrix of multinomial probabilities where rows correspond to
observations and columns to categories (and each row sums to 1),
generates a matrix with the same number of rows as has \code{probs} and
with \code{m} columns. The columns represent multinomial cell numbers,
and within a row the columns are all samples from the same multinomial
distribution. The code is a modification of that in the
\code{impute.polyreg} function in the \code{MICE} package.
}
\usage{
rMultinom(probs, m)
}
\arguments{
\item{probs}{matrix of probabilities}
\item{m}{number of samples for each row of \code{probs}}
}
\value{
an integer matrix having \code{m} columns
}
\seealso{\code{\link{rbinom}}}
\examples{
set.seed(1)
w <- rMultinom(rbind(c(.1,.2,.3,.4),c(.4,.3,.2,.1)),200)
t(apply(w, 1, table)/200)
}
\keyword{distribution}
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