Github user yhuai commented on the pull request:

    https://github.com/apache/spark/pull/5357#issuecomment-94240966
  
    @dreamquster Can you add comments in your code to explain:
    
    1. Is it sample standard deviation or population standard deviation?
    2. What is the algorithm used to calculate the standard deviation (how to 
calculate the partial result and how to calculate the final results)? 


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---

---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]

Reply via email to