taosiyuan163 opened a new pull request, #132: URL: https://github.com/apache/flink-ml/pull/132
### What is the purpose of the change Add Chi-squared test as Transformer to ml.feature. The chi-square statistic is a useful tool for understanding the relationship between two categorical variables ,gives us a way to quantify and assess the strength of a given pair of categorical variables. Pearson's chi-squared test:https://en.wikipedia.org/wiki/Pearson%27s_chi-squared_test For more information on chi-squared:http://en.wikipedia.org/wiki/Chi-squared_test ### Brief change log Add Chi-squared test as Transformer to ml.feature. ### Verifying this change The changes are tested by unit tests in ChiSqTestTransformerTest. ### Does this pull request potentially affect one of the following parts: Dependencies (does it add or upgrade a dependency): (no) The public API, i.e., is any changed class annotated with @public(Evolving): (no) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
