dataista questions

dataista answers

• GridSearchCV giving score from the best estimator different from the one indicated in refit parameter
• Cross-validation gives Negative R2?
• Compare packages between two anaconda installations
• Understanding Precision@K, AP@K, MAP@K
• Function to modify row values using df.apply or similar in Pandas
• Why does using the walrus operator on a member variable raise a SyntaxError?
• Set order on sns histplot