Github user mengxr commented on the pull request:
https://github.com/apache/spark/pull/11108#issuecomment-198004940
I agree. But we don't really need lines just to print empty lines. For
example:
~~~scala
println(goodnessOfFitTestResult)
println()
~~~
could be simply
~~~scala
println(s"$goodnessOfFitTestResult\n")
~~~
It is good to keep the example code short.
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