Hello Samir,
The tone of your email is disrespectful.  For any project, but particularly so 
for an open source project. It is not for this community.  

Please review the Code of Conduct for this library.
http://scikit-learn.org/stable/developers/contributing.html

Regards,
Reshama 

> On Aug 11, 2021, at 3:18 PM, Samir K Mahajan <samirkmahajan1...@gmail.com> 
> wrote:
> 
> 
> Dear All,
> I am amazed to find  negative  values of  sklearn.metrics.r2_score and 
> sklearn.metrics.explained_variance_score in a model ( cross validation of OLS 
> regression model) 
> However, what amuses me more  is seeing you justifying   negative  
> 'sklearn.metrics.r2_score ' in your documentation.  This does not make sense 
> to me . Please justify to me how squared values are negative. 
> 
> Regards,
> Samir K Mahajan. 
> 
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