)
# 评估模型
mse = mean_squared_error(y_test, y_pred)
print(f"Mean Squared Error: {mse}")
2....0], [1, 1], [1, 0], [0, 1]]
y = [0, 1, 1, 0]
# 划分训练集和测试集
X_train, X_test, y_train, y_test = train_test_split...0], [1, 1], [1, 0], [0, 1]]
y = [0, 1, 1, 0]
# 划分训练集和测试集
X_train, X_test, y_train, y_test = train_test_split...= [[0, 0], [1, 1], [1, 0], [0, 1]]
y = [0, 1, 1, 0]
# 构建模型
model = DecisionTreeClassifier()
# 定义参数网格...X = [[0, 0], [1, 1], [1, 0], [0, 1]]
y = [0, 1, 1, 0]
# 构建模型
model = DecisionTreeClassifier()
# 定义参数分布