做动态面板数据用xtabond2 ind ind0 rat,gmm(ind0)iv(rat) noleveleq small
出现
Favoring speed over space. To switch, type or click on mata: mata set matafavor space, perm.
J(): 3900 unable to allocate real <tmp>[14136,7626]
_MakeGMMinsts(): - function returned error
xtabond2_mata(): - function returned error
<istmt>: - function returned error
r(3900);
之后搜索论坛,加入nomata命令,还是不行,出现
Building GMM instruments.no room to add more variables
Up to 5,000 variables are currently allowed, although you could reset the maximum using set maxvar; see help memory.
之后有 set maxvar
还是同样问题。。。
是数据量过大吗?感觉并没有多少啊,我的样本大小
industry: 1, 2, ..., 114 n = 114
t: 2004m9, 2004m10, ..., 2014m12 T = 124
Delta(t) = 1 month
Span(t) = 124 periods
(industry*t uniquely identifies each observation)
Distribution of T_i: min 5% 25% 50% 75% 95% max
124 124 124 124 124 124 124
求大神解答!谢谢了!


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