一.线性回归 1 绘制散点图 import matplotlib.pyplot as plt x = [5,7,8,7,2,17,2,9,4,11,12,9,6] y = [99,86,87,88,111,86,103,87,94,78,77,85,86] plt.scatter(x, y) plt.show() 结果: 2 导入 scipy 并绘制线性回归线: import matplotlib.pyplot as plt from scipy import stats x = [5,7,8,