Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/13798#discussion_r67811733
--- Diff: R/pkg/R/generics.R ---
@@ -689,67 +689,67 @@ setGeneric("randomSplit", function(x, weights, seed)
{ standardGeneric("randomSp
###################### Column Methods ##########################
-#' @rdname column
+#' @rdname column functions
#' @export
setGeneric("asc", function(x) { standardGeneric("asc") })
-#' @rdname column
+#' @rdname between
#' @export
setGeneric("between", function(x, bounds) { standardGeneric("between") })
-#' @rdname column
+#' @rdname cast
#' @export
setGeneric("cast", function(x, dataType) { standardGeneric("cast") })
-#' @rdname column
+#' @rdname column functions
#' @export
setGeneric("contains", function(x, ...) { standardGeneric("contains") })
-#' @rdname column
+#' @rdname column functions
#' @export
setGeneric("desc", function(x) { standardGeneric("desc") })
-#' @rdname column
+#' @rdname endsWith
#' @export
setGeneric("endsWith", function(x, suffix) { standardGeneric("endsWith") })
-#' @rdname column
+#' @rdname column functions
#' @export
setGeneric("getField", function(x, ...) { standardGeneric("getField") })
-#' @rdname column
+#' @rdname column functions
#' @export
setGeneric("getItem", function(x, ...) { standardGeneric("getItem") })
-#' @rdname column
+#' @rdname column functions
#' @export
setGeneric("isNaN", function(x) { standardGeneric("isNaN") })
-#' @rdname column
+#' @rdname column functions
#' @export
setGeneric("isNull", function(x) { standardGeneric("isNull") })
-#' @rdname column
+#' @rdname column functions
--- End diff --
They were on one page, but "column" is the wrong rd to put them - there's
already the class `Column` and function `column`. (there's also function
`columns` but that's a different page) - so the intent is to put these in their
separate pages as `column functions`)
it looked like this previously:

This is still buggy - investigating.
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