做一个有很多数据的 mlogit分析 Y=0,1,2
得出的数据不太理想
mlogit ___04y ___05x1 ___05x2 ___05x3
Multinomial logistic regression Number of obs = 3826
LR chi2(9) = .
Log likelihood = . Prob > chi2 = .
------------------------------------------------------------------------------
___04y | Coef. Std. Err. z P>|z| [95% Conf. Interval]
-------------+----------------------------------------------------------------
0 |
___05x1 | .1152439 .006719 17.15 0.000 .102075 .1284128
___05x2 | -2.49e-09 2.14e-10 -11.67 0.000 -2.91e-09 -2.07e-09
___05x3 | 4.58e-09 1.39e-09 3.31 0.001 1.87e-09 7.30e-09
_cons | -3.029254 .2287061 -13.25 0.000 -3.47751 -2.580999
-------------+----------------------------------------------------------------
2 |
___05x1 | .0128598 .0017639 7.29 0.000 .0094027 .016317
___05x2 | -4.89e-11 7.88e-12 -6.21 0.000 -6.44e-11 -3.35e-11
___05x3 | -3.33e-11 5.47e-11 -0.61 0.543 -1.41e-10 7.40e-11
_cons | -1.096277 .0569004 -19.27 0.000 -1.207799 -.984754
-------------+----------------------------------------------------------------
3 |
___05x1 | .0827321 .0083007 9.97 0.000 .066463 .0990012
___05x2 | -4.35e-10 6.70e-11 -6.50 0.000 -5.67e-10 -3.04e-10
___05x3 | 2.40e-10 3.16e-10 0.76 0.447 -3.79e-10 8.58e-10
_cons | -7.746774 .7295035 -10.62 0.000 -9.176575 -6.316973
------------------------------------------------------------------------------
(___04y==1 is the base outcome)
红色的p0.543 p0.447不是很理想,还有05x1 05x2 05x3 前面系数有的是负的
通过修改样本的方法,(删除样本等)能够得到理想的p值 z值 和x前面系数是正的吗?
附近是数据文件
谢谢
- mlogit-3.dta