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From zhengruifeng <>
Subject [GitHub] spark pull request #17369: [SPARK-20041][DOC] Update docs for NaN handling i...
Date Tue, 21 Mar 2017 08:20:05 GMT
Github user zhengruifeng commented on a diff in the pull request:
    --- Diff: 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 [[
     #' 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.
    --- End diff --
    Good catch. Updated.

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