Improve match_df docs

hadley · Mar 2, 2011 · 13e4e00 · 13e4e00
1 parent 2076b8f
commit 13e4e00
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/R/helper-match-df.r b/R/helper-match-df.r
@@ -4,9 +4,9 @@
 #' and want to subset the original data by a characteristic of the subset.
 #'
 #' @param x data frame to subset.
-#' @param match data frame defining matching rows.
-#' @param on variables to match on - by default all variables common to both
-#'   data frames will be used.
+#' @param y data frame defining matching rows.
+#' @param on variables to match on - by default will use all variables common
+#'   to both data frames.
 #' @return a data frame
 #' @seealso \code{\link{join}} to combine the columns from both x and y
 #' @export

diff --git a/man/match_df.Rd b/man/match_df.Rd
@@ -16,9 +16,9 @@
 \seealso{\code{\link{join}} to combine the columns from both x and y}
 \arguments{
   \item{x}{data frame to subset.}
-  \item{match}{data frame defining matching rows.}
-  \item{on}{variables to match on - by default all variables common to both
-data frames will be used.}
+  \item{y}{data frame defining matching rows.}
+  \item{on}{variables to match on - by default will use all variables common
+to both data frames.}
 }
 \examples{longterm <- subset(count(baseball, "id"), freq > 25)
 bb_longterm <- match_df(baseball, longterm)}