Github user actuaryzhang commented on a diff in the pull request:
https://github.com/apache/spark/pull/18025#discussion_r122617405
--- Diff: R/pkg/R/stats.R ---
@@ -52,22 +52,17 @@ setMethod("crosstab",
collect(dataFrame(sct))
})
-#' Calculate the sample covariance of two numerical columns of a
SparkDataFrame.
-#'
#' @param colName1 the name of the first column
#' @param colName2 the name of the second column
-#' @return The covariance of the two columns.
#'
#' @rdname cov
-#' @name cov
#' @aliases cov,SparkDataFrame-method
#' @family stat functions
#' @export
#' @examples
-#'\dontrun{
-#' df <- read.json("/path/to/file.json")
-#' cov <- cov(df, "title", "gender")
-#' }
+#'
+#' \dontrun{
--- End diff --
No. The newline should be between `@example` and `\dontrun` to separate
multiple `dontruns`.
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