如何在R里估计半参数面板数据模型
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急求!!!论文模型是[draw]a11i1c2291b22921524121724621e24fa11i22a22322a22422423121f23d2142541b2671327313275a11i22025a22025d21e268a11i222250224254224255a11i22726023825f23a25ea11i23225323225722e26322e26 ...
2011-3-14 16:02 - blackhui - 悬赏大厅