MaximeKan questions

MaximeKan answers

• How do I automate the number of clusters?
• how to predict the cluster label of a new observation using a hierarchical clustering?
• cross_val_score return accuracy per class
• One-hot-encoding multiple columns in sklearn and naming columns
• How to get CountVectorizer feature_names in order that they are set, not alphabetical?
• Sentiment analysis Pipeline, problem getting the correct feature names when feature selection is used
• How to calculate AUC for random forest model in sklearn?
• How to implement polynomial logistic regression in scikit-learn?
• How does TfidfVectorizer compute scores on test data
• what is Gridsearch.cv_results_ , could any explain all the things in that i.e mean_test_score etc .?