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-rw-r--r--R/pkg/R/DataFrame.R9
1 files changed, 4 insertions, 5 deletions
diff --git a/R/pkg/R/DataFrame.R b/R/pkg/R/DataFrame.R
index a4733313ed..0ce4696198 100644
--- a/R/pkg/R/DataFrame.R
+++ b/R/pkg/R/DataFrame.R
@@ -223,7 +223,7 @@ setMethod("showDF",
#' sparkR.session()
#' path <- "path/to/file.json"
#' df <- read.json(path)
-#' df
+#' show(df)
#'}
#' @note show(SparkDataFrame) since 1.4.0
setMethod("show", "SparkDataFrame",
@@ -368,7 +368,7 @@ setMethod("colnames<-",
#' @examples
#'\dontrun{
#' irisDF <- createDataFrame(iris)
-#' coltypes(irisDF)
+#' coltypes(irisDF) # get column types
#'}
#' @note coltypes since 1.6.0
setMethod("coltypes",
@@ -411,7 +411,6 @@ setMethod("coltypes",
#'
#' Set the column types of a SparkDataFrame.
#'
-#' @param x A SparkDataFrame
#' @param value A character vector with the target column types for the given
#' SparkDataFrame. Column types can be one of integer, numeric/double, character, logical, or NA
#' to keep that column as-is.
@@ -424,8 +423,8 @@ setMethod("coltypes",
#' sparkR.session()
#' path <- "path/to/file.json"
#' df <- read.json(path)
-#' coltypes(df) <- c("character", "integer")
-#' coltypes(df) <- c(NA, "numeric")
+#' coltypes(df) <- c("character", "integer") # set column types
+#' coltypes(df) <- c(NA, "numeric") # set column types
#'}
#' @note coltypes<- since 1.6.0
setMethod("coltypes<-",