## yang yao start
#' patentr: A package for analyzing patent data.
#'
#' The package is a data processing and reporting tool of patent data sets for patent analysts.
#'
#'
#' The package is aimed at patent agents, lawyers, managers, analysts, and
#' academics who are working on patents. This may be used in a patent landscape
#' analysis, company IP portfolio analysis, or a freedom to operate search.
#'
#'
#' The patentr package provides four categories of important functions:
#'
#' \enumerate{
#' \item Data input and cleaning
#' \item Data (re)processing
#' \item Data exploration & visualization
#' \item Visualization & reporting
#' }
#'
#'
#' @section load functions:
#'
#' \code{\link{importPatentData}}: Import xls patent data from filepaths.
#' \code{\link{chooseFiles}}: Uses a popup window (Tk file dialog) to
#' allow the user to choose a list of zero or more files interactively.
#'
#' @section clean functions:
#'
#' \code{\link{cleanHeaderNames}}, \code{\link{extractCountryCode}},
#' \code{\link{extractPubNumber}}, \code{\link{extractKindCode}},
#' \code{\link{extractDocLength}}, \code{\link{extractCleanDate}},
#' \code{\link{showDups}}, \code{\link{removeDups}}, \code{\link{generateDocType}},
#' \code{\link{cleanNames}}, \code{\link{cleanPatentData}}
#'
#'
#' @section patentr data:
#' \code{\link{acars}} To pay respect to the \code{\link[datasets]{mtcars}} data,
#' this is a data set of autonomous driving car patents from major companies.
#' \code{\link{kindCodes}} A data frame of kind codes by country with associated
#' descriptions.
#' \code{\link{docLengthTypes}} A data frame mapping doc length to the type of
#' patent document.
#'
#' @docType package
#' @name patentr
NULL
## yang yao end
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