오늘은 가설검증import pandas as pdfrom sklearn.preprocessing import LabelEncoderfrom sklearn.model_selection import train_test_splitfrom sklearn.metrics import mean_squared_error, mean_absolute_error, r2_scorefrom sklearn.ensemble import RandomForestRegressor, GradientBoostingRegressorimport matplotlib.pyplot as pltimport numpy as npimport shapimport xgboost as xgbimport lightgbm as lgbimport reimport ..