RDataXMan: Data Extraction Management

#' RDataXMan: Data Extraction Management
#'
#' There are 5 functions in this package.
#'
#' Functions \code{\link{genInclusion}}, \code{\link{genVariable}} and
#' \code{\link{extract_data}} are the 3 main functions that generates inclusion
#' criteria and variable lists based on target databases, and extract subset of
#' data for user.
#'
#' Functions \code{\link{initWkdir}} and \code{\link{initResearchFolder}} are
#' helper functions to set working directory and subfolders for specific data
#' requests.
#'
#' \strong{RDataXMan Software Requirements for Apple Mac Computers}
#'
#' For installation of the software on Apple computers running OS X please
#' follow the steps before attempting to install RDataXMan
#' \enumerate{
#' \item Install the latest version of Oracle Java JDK from https://www.oracle.com/technetwork/java/javase/downloads/index.html
#' \item Open the terminal and type the following commands:
#'  \itemize{
#'    \item \code{sudo R CMD javareconf -n}
#'    \item \code{sudo ln -s $(/usr/libexec/java_home)/jre/lib/server/libjvm.dylib /usr/local/lib}
#'  }
#' \item Install package \code{rJava} from CRAN
#' }
#'
#' @docType package
#' @name RDataXMan-package
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