机器学习特征预处理之删移除无关特征
示例def remove_irrelevant(X_train, y_train, X_test):"""删除无关特征"""rf RandomForestClassifier(n_estimators100, random_state42, n_jobs-1)rf.fit(X_train, y_train)importance_df pd.DataFrame({feature: X_train.columns,importanc…
2026/7/19 3:26:33