Github user dorx commented on a diff in the pull request:
https://github.com/apache/spark/pull/1025#discussion_r14906065
--- Diff: pom.xml ---
@@ -257,6 +257,11 @@
<version>1.5</version>
</dependency>
<dependency>
+ <groupId>org.apache.commons</groupId>
+ <artifactId>commons-math3</artifactId>
+ <version>3.3</version>
--- End diff --
The final decision was to remove dependency on commons-math3 and use
approximation for Poisson inverseCDF instead. @srowen
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