随笔分类 - Python的碎碎念念 / 科学计算
摘要：拟合曲线 多项式拟合 np.ployfit(x, y, deg) import matplotlib.pyplot as plt import numpy as np x = [1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8] y
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摘要：MSE MSE = np.sum((y_preditc-y_test)**2)/len(y_test) RMSE RMSE = MSE ** 0.5 MAE MAE = np.sum(np.absolute(y_preditc-y_test))/len(y_test) R2 SS_res = np.
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