huaxingao commented on a change in pull request #27593:
[SPARK-30818][SPARKR][ML] Add SparkR LinearRegression wrapper
URL: https://github.com/apache/spark/pull/27593#discussion_r396697906
##########
File path: R/pkg/R/mllib_regression.R
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@@ -540,3 +546,145 @@ setMethod("write.ml", signature(object =
"AFTSurvivalRegressionModel", path = "c
function(object, path, overwrite = FALSE) {
write_internal(object, path, overwrite)
})
+
+#' Linear Regression Model
+#'
+#' \code{spark.lm} fits a linear regression model against a SparkDataFrame.
+#' Users can call \code{predict} to make
+#' predictions on new data, and \code{write.ml}/\code{read.ml} to save/load
fitted models.
Review comment:
nit: add description for ```summary``` too?
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