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From Marcin Kosiński (JIRA) <j...@apache.org>
Subject [jira] [Created] (HIVE-9229) How to calculate the Kendall coefficient of correlation?
Date Tue, 30 Dec 2014 18:57:13 GMT
Marcin Kosiński created HIVE-9229:
-------------------------------------

             Summary: How to calculate the Kendall coefficient of correlation?
                 Key: HIVE-9229
                 URL: https://issues.apache.org/jira/browse/HIVE-9229
             Project: Hive
          Issue Type: Wish
            Reporter: Marcin Kosiński
            Priority: Trivial


In this [wiki page](https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF) there
is a function `corr()` that calculates the Pearson coefficient of correlation, but my question
is that: is there any function in Hive that enables to calculate the Kendall coefficient of
correlation of a pair of a numeric columns?

In anyone has any idea on how to even implement it please answer on [this](http://stackoverflow.com/questions/27231039/hive-how-to-calculate-the-kendall-coefficient-of-correlation)
stackoverflow question.

Thanks for help,
Marcin



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