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using shap values for removing outliers
May 31, 2023, 7:50 p.m. | /u/qhelspil
Data Science www.reddit.com
what i did is calculated the shap value for each feature, then :
\- i took the feature with highest importance
\- i took the index of each value with negative shap in this feature
\- i recreated dataset with removing these indexes
since a negative shap means a datapoint is contributing negatively to the model, i removed it
my f1score increased from 70% to 90 % ( the data was imbalanced ) …
datascience dataset feature importance index negative outliers shap value values
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