示例代码(简单线性回归)
python
import numpy as np
from sklearn.model_selection import train_test_split
from sklearn.linear_model import LinearRegression
from sklearn.metrics import mean_squared_error
生成示例数据
X = np.array([[1], [2], [3], [4], [5]])
y = np.array([1, 3, 2, 3, 5])
数据分割
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)
模型训练
model = LinearRegression()
model.fit(X_train, y_train)