Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/13023#discussion_r63113352
--- Diff: R/pkg/R/mllib.R ---
@@ -269,9 +349,29 @@ setMethod("summary", signature(object =
"NaiveBayesModel"),
return(list(apriori = apriori, tables = tables))
})
+#' Makes predictions from a model produced by spark.naiveBayes(),
+#' similarly to R package e1071's predict.
+#'
+#' @param object A fitted naive Bayes model
+#' @param newData SparkDataFrame for testing
+#' @return SparkDataFrame containing predicted labels in a column named
"prediction"
+#' @rdname predict
+#' @name predict
+#' @export
+#' @examples
+#' \dontrun{
+#' model <- spark.naiveBayes(trainingData, y ~ x)
+#' predicted <- predict(model, testData)
+#' showDF(predicted)
+#'}
+setMethod("predict", signature(object = "NaiveBayesModel"),
+ function(object, newData) {
+ return(dataFrame(callJMethod(object@jobj, "transform",
newData@sdf)))
+ })
+
#' Fit a k-means model
#'
-#' Fit a k-means model, similarly to R's kmeans().
+#' Fits a k-means model, similarly to R's kmeans().
--- End diff --
seems to be changing a few times here - should this be `Fits a ...` or `Fit
a ...`?
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