本人没有任何统计学及计量经济学基础,但论文需要,导师推荐使用limdep中的tobit模型做回归分析,照猫画虎好容易做完了,结果(如下)又看不明白。特求助达人相助,不胜感激。
--> TOBIT;Lhs=EF;Rhs=ONE,POTA,POSS,POSC,PODC,OCON,SB,SM,Y4,Y5,Y6,Y7$
Normal exit from iterations. Exit status=0.
+---------------------------------------------+
| Limited Dependent Variable Model - CENSORED |
| Maximum Likelihood Estimates |
| Model estimated: Oct 10, 2008 at 03:30:53PM.|
| Dependent variable EF |
| Weighting variable None |
| Number of observations 240 |
| Iterations completed 4 |
| Log likelihood function 129.2763 |
| Threshold values for the model: |
| Lower= .0000 Upper=+infinity |
| ANOVA based fit measure = .150844 |
| DECOMP based fit measure = .150844 |
+---------------------------------------------+
+---------+--------------+----------------+--------+---------+----------+
|Variable | Coefficient | Standard Error |b/St.Er.|P[|Z|>z] | Mean of X|
+---------+--------------+----------------+--------+---------+----------+
Primary Index Equation for Model
Constant .9095568789 .17087682 5.323 .0000
POTA -.1266298256E-02 .94384116E-03 -1.342 .1797 43.971459
POSS .2899745420E-01 .10756716 .270 .7875 .39216585E-01
POSC -.1952710094E-01 .89468030E-01 -.218 .8272 .25037157
PODC .2263302249E-01 .82503035E-01 .274 .7838 .20894568
OCON -.2577716867E-01 .47828070E-01 -.539 .5899 3.1857823
SB .8722676088E-01 .25599359E-01 3.407 .0007 .20833333
SM -.6072332571E-01 .21303593E-01 -2.850 .0044 .42083333
Y4 -.6676710296E-02 .28849148E-01 -.231 .8170 .20000000
Y5 .9017197283E-02 .29593598E-01 .305 .7606 .20000000
Y6 .3754813105E-01 .30017320E-01 1.251 .2110 .20000000
Y7 .5929626552E-01 .33500349E-01 1.770 .0767 .20000000
Disturbance standard deviation
Sigma .1411983361 .64447928E-02 21.909 .0000


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