Github user BaiGang commented on the pull request:
https://github.com/apache/spark/pull/1237#issuecomment-47317665
Oops! I didn't notice this one. Created
https://github.com/apache/spark/pull/1243 just now.
We actually implemented exactly the same idea of Poisson regression, with
only some tiny difference on calculating the gradient of the negative
log-likelihood and the test suites.
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