# -*- coding: utf-8 -*-
"""
come form sklearn
测试
"""
print (__doc__)
#load data from sklearn
from sklearn import datasets
diabetes = datasets.load_diabetes()
diabetes_X_train = diabetes.data[:-20]
diabetes_X_test = diabetes.data[-20:]
diabetes_y_train = diabetes.target[:-20]
diabetes_y_test = diabetes.target[-20:]
# Create linear model
from sklearn import linear_model
regr =linear_model.LinearRegression()
regr.fit(diabetes_X_test,diabetes_y_test)
print("系数为:",regr.coef_)
re_score = regr.score(diabetes_X_test,diabetes_y_test)
#打印R_square
print(re_score)
python_linear_model
最新推荐文章于 2023-12-12 09:43:15 发布
