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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/mids2spss.R
\name{mids2spss}
\alias{mids2spss}
\title{Export \code{mids} object to SPSS}
\usage{
mids2spss(
imp,
filename = "midsdata",
path = getwd(),
compress = FALSE,
silent = FALSE
)
}
\arguments{
\item{imp}{The \code{imp} argument is an object of class \code{mids},
typically produced by the \code{mice()} function.}
\item{filename}{A character string describing the name of the output data
file and its extension.}
\item{path}{A character string containing the path of the output file. The
value in \code{path} is appended to \code{filedat}. By
default, files are written to the current \code{R} working directory. If
\code{path=NULL} then no file path appending is done.}
\item{compress}{A logical flag stating whether the resulting SPSS set should
be a compressed \code{.zsav} file.}
\item{silent}{A logical flag stating whether the location of the saved file should be
printed.}
}
\value{
The return value is \code{NULL}.
}
\description{
Converts a \code{mids} object into a format recognized by SPSS, and writes
the data and the SPSS syntax files.
}
\details{
This function automates most of the work needed to export a \code{mids}
object to SPSS. It uses \code{haven::write_sav()} to facilitate the export to an
SPSS \code{.sav} or \code{.zsav} file.
Below are some things to pay attention to.
The \code{SPSS} syntax file has the proper file names and separators set, so
in principle it should run and read the data without alteration. \code{SPSS}
is more strict than \code{R} with respect to the paths. Always use the full
path, otherwise \code{SPSS} may not be able to find the data file.
Factors in \code{R} translate into categorical variables in \code{SPSS}. The
internal coding of factor levels used in \code{R} is exported. This is
generally acceptable for \code{SPSS}. However, when the data are to be
combined with existing \code{SPSS} data, watch out for any changes in the
factor levels codes.
\code{SPSS} will recognize the data set as a multiply imputed data set, and
do automatic pooling in procedures where that is supported. Note however that
pooling is an extra option only available to those who license the
\code{MISSING VALUES} module. Without this license, \code{SPSS} will still
recognize the structure of the data, but it will not pool the multiply imputed
estimates into a single inference.
}
\seealso{
\code{\link[=mids-class]{mids}}
}
\author{
Gerko Vink, dec 2020.
}
\keyword{manip}
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