diff options
Diffstat (limited to 'R')
| -rw-r--r-- | R/pkg/R/stats.R | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/R/pkg/R/stats.R b/R/pkg/R/stats.R index 8d1d165052..d78a10893f 100644 --- a/R/pkg/R/stats.R +++ b/R/pkg/R/stats.R @@ -149,7 +149,8 @@ setMethod("freqItems", signature(x = "SparkDataFrame", cols = "character"), #' This method implements a variation of the Greenwald-Khanna algorithm (with some speed #' optimizations). The algorithm was first present in [[http://dx.doi.org/10.1145/375663.375670 #' Space-efficient Online Computation of Quantile Summaries]] by Greenwald and Khanna. -#' Note that rows containing any NA values will be removed before calculation. +#' Note that NA values will be ignored in numerical columns before calculation. For +#' columns only containing NA values, an empty list is returned. #' #' @param x A SparkDataFrame. #' @param cols A single column name, or a list of names for multiple columns. |