R/leiden85.R

In mice: Multivariate Imputation by Chained Equations

#' Leiden 85+ study
#'
#' Subset of data from the Leiden 85+ study
#'
#' The data set concerns of subset of 956 members of a very old (85+) cohort in
#' Leiden.
#'
#' Multiple imputation of this data set has been described in Boshuizen et al
#' (1998), Van Buuren et al (1999) and Van Buuren (2012), chapter 7.
#'
#' The data set is not available as part of \code{mice}.
#'
#' @name leiden85
#' @docType data
#' @format \code{leiden85} is a data frame with 956 rows and 336 columns.
#' @source
#'
#' Lagaay, A. M., van der Meij, J. C., Hijmans, W. (1992).  Validation of
#' medical history taking as part of a population based survey in subjects aged
#' 85 and over. \emph{Brit. Med. J.}, \emph{304}(6834), 1091-1092.
#'
#' Izaks, G. J., van Houwelingen, H. C., Schreuder, G. M., Ligthart, G. J.
#' (1997).  The association between human leucocyte antigens (HLA) and mortality
#' in community residents aged 85 and older.  \emph{Journal of the American
#' Geriatrics Society}, \emph{45}(1), 56-60.
#'
#' Boshuizen, H. C., Izaks, G. J., van Buuren, S., Ligthart, G. J. (1998).
#' Blood pressure and mortality in elderly people aged 85 and older: Community
#' based study.  \emph{Brit. Med. J.}, \emph{316}(7147), 1780-1784.
#'
#' Van Buuren, S., Boshuizen, H.C., Knook, D.L. (1999) Multiple imputation of
#' missing blood pressure covariates in survival analysis.  \emph{Statistics in
#' Medicine}, \bold{18}, 681--694.
#'
#' Van Buuren, S. (2018).
#' \href{https://stefvanbuuren.name/fimd/sec-toomany.html#sec:leiden85cohort}{\emph{Flexible Imputation of Missing Data. Second Edition.}}
#' Chapman & Hall/CRC. Boca Raton, FL.
#' @keywords datasets
NULL