From 6b31ec7dda73c155fc94c5ccf53709099f8033dd Mon Sep 17 00:00:00 2001
From: Peng <peng.meng@intel.com>
Date: Mon, 22 May 2017 19:37:50 +0800
Subject: [PATCH] fix visibility of numInstances and degreesOfFreedom in LR and
 GLR - Python version

---
 python/pyspark/ml/regression.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/python/pyspark/ml/regression.py b/python/pyspark/ml/regression.py
index 3c3fcc8d9b8d8..2d17f95b0c44f 100644
--- a/python/pyspark/ml/regression.py
+++ b/python/pyspark/ml/regression.py
@@ -323,6 +323,14 @@ def numInstances(self):
         """
         return self._call_java("numInstances")
 
+    @property
+    @since("2.2.0")
+    def degreesOfFreedom(self):
+        """
+        Degrees of freedom.
+        """
+        return self._call_java("degreesOfFreedom")
+
     @property
     @since("2.0.0")
     def devianceResiduals(self):
@@ -1565,6 +1573,14 @@ def predictionCol(self):
         """
         return self._call_java("predictionCol")
 
+    @property
+    @since("2.2.0")
+    def numInstances(self):
+        """
+        Number of instances in DataFrame predictions.
+        """
+        return self._call_java("numInstances")
+
     @property
     @since("2.0.0")
     def rank(self):