Github user tengpeng commented on a diff in the pull request:
https://github.com/apache/spark/pull/19638#discussion_r148919520
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/regression/LinearRegressionSuite.scala
---
@@ -764,13 +764,17 @@ class LinearRegressionSuite
(Intercept) 6.3022157 0.0018600 3388 <2e-16 ***
V2 4.6982442 0.0011805 3980 <2e-16 ***
V3 7.1994344 0.0009044 7961 <2e-16 ***
+
+ # R code for r2adj
+ summary(lm(X1 ~ ., data = part_00000))
--- End diff --
The existing test "Linear regression model training summary" does not test
without intercept case. If there is a "Linear regression model training summary
wo intercept", I am glad to add in it.
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