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853天前import pandas as pd |
from sklearn.model_selection import train_test_split |
from sklearn.linear_model import LinearRegression |
#导入数据集 |
data = pd.read_csv('data.csv') |
#分割训练集和测试集 |
X = data.iloc[:, :-1] |
y = data.iloc[:, -1] |
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2) |
#模型训练 |
model = LinearRegression() |
model.fit(X_train, y_train) |
#预测结果 |
y_pred = model.predict(X_test) |
#评估模型性能 |
score = model.score(X_test, y_test) |
print(score) |
