apache/spark — pull request #1982 by mengxr (2014-08-16 04:32:16+00:00)
Title: [SPARK-3077][MLLIB] fix some chisq-test

- promote nullHypothesis field in ChiSqTestResult to TestResult. Every test should have a null hypothesis
- correct null hypothesis statement for independence test
- p-value: 0.01 -> 0.1