file:Lec6_time_sieries Copy.pdf file:Lec4_IV Copy.pdf file:9.7非参数与半参数回归（七）.mp4 file:8.9拟合优度（一）.mp4 file:8.8最小二乘的残差向量.mp4 file:8.6作为拟合的回归.mp4

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file:9.9回归方程的显著性检验—F检验.mp4 file:9.7最小二乘估计的性质（三）.mp4 file:9.4参数β0、β1的估计（二）.mp4 file:9.2一元线性回归的数学形式（二）.mp4 file:8.9假设检验与置信区间的对偶关系（二）.mp4