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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