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Assignment2_Tutorial-1 Copyright By PowCoder代写 加微信 powcoder #———————————————- # Import Libraries #———————————————- import pandas as pd import numpy as np from sklearn.model_selection import train_test_split from sklearn.feature_extraction.text import CountVectorizer from sklearn import linear_model from sklearn.feature_selection import RFE from sklearn.ensemble import GradientBoostingRegressor from sklearn.metrics import make_scorer, r2_score, mean_squared_error, auc, mean_absolute_error from sklearn.model_selection import GridSearchCV, KFold # from sklearn.cross_validation […]