Github user wangmiao1981 commented on a diff in the pull request:
https://github.com/apache/spark/pull/16284#discussion_r92514729
--- Diff: R/pkg/R/mllib.R ---
@@ -1233,7 +1233,7 @@ setMethod("spark.survreg", signature(data =
"SparkDataFrame", formula = "formula
#' docConcentration. Only 1-size or \code{k}-size numeric is
accepted.
#' @param customizedStopWords stopwords that need to be removed from the
given corpus. Ignore the
#' parameter if libSVM-format column is used as the features column.
-#' @param maxVocabSize maximum vocabulary size, default 1 << 18
+#' @param maxVocabSize maximum vocabulary size, default is 1 << 18
--- End diff --
This is one example of default. See the deleted line.
Random forest:
`#' @param impurity Criterion used for information gain calculation.
#' For regression, must be "variance". For classification,
must be one of
#' "entropy" and "gini", default is "gini".`
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