Nothing
#' summarize non-standard evaluation interface.
#'
#' summarize a data frame by the summarize terms from \code{...}.
#'
#' @seealso \code{\link{summarize_se}}, \code{\link[dplyr]{summarize}}, \code{\link[dplyr]{summarize_at}}, \code{\link[wrapr]{:=}}
#'
#' @param .data data.frame
#' @param ... stringified expressions to summarize by.
#' @param summarize_nse_warn logical, if TRUE warn about possible name collisions.
#' @param env environment to work in.
#' @return .data with summarized columns.
#'
#' @examples
#'
#'
#' datasets::iris %.>%
#' summarize_nse(., Mean_Sepal_Length := mean(Sepal.Length),
#' Max_Sepal_Length := max(Sepal.Length))
#'
#' @export
#'
summarize_nse <- function(.data,
...,
summarize_nse_warn = TRUE,
env = parent.frame()) {
summarizeTerms <- wrapr::qae(...)
force(env)
if(!(is.data.frame(.data) || dplyr::is.tbl(.data))) {
stop("seplyr::summarize_nse first argument must be a data.frame or tbl")
}
res <- .data
len <- length(summarizeTerms)
if(len>1) {
res <- summarize_se(res,
summarizeTerms,
warn = summarize_nse_warn,
env = env)
}
res
}
#' @rdname summarize_nse
#' @export
summarise_nse <- summarize_nse
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.