我做了豪斯曼（hausman）检验，想知道我做的对不对啊！这个结果怎么看呢？超感谢，急

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Correlated Random  Effects - Hausman Test
Pool: Untitled
Test cross-section  random effects
Test Summary		Chi-Sq. Statistic	Chi-Sq. d.f.	Prob.
Cross-section random		0.000000	4	1.0000
* Cross-section test  variance is invalid. Hausman statistic set to zero.
Cross-section random  effects test comparisons:
Variable	Fixed	Random	Var(Diff.)	Prob.
LNFIX?	-0.127038	-0.149014	0.000046	0.0012
LNPAT?	0.273385	0.316497	0.000177	0.0012
LNFDI?	-0.193657	-0.256001	0.000369	0.0012
LNFIN?	0.046597	0.043844	0.000001	0.0012
Cross-section random  effects test equation:
Dependent Variable:  LNEXPY?
Method: Panel Least  Squares
Date: 04/18/18   Time: 21:27
Sample: 2002 2016
Included observations:  15
Cross-sections  included: 5
Total pool (balanced)  observations: 75
Variable	Coefficient	Std. Error	t-Statistic	Prob.
C	3.009872	0.853212	3.527697	0.0008
LNFIX?	-0.127038	0.096029	-1.322921	0.1904
LNPAT?	0.273385	0.075564	3.617923	0.0006
LNFDI?	-0.193657	0.314802	-0.615168	0.5406
LNFIN?	0.046597	0.039392	1.182926	0.2411
	Effects Specification
Cross-section fixed  (dummy variables)
R-squared	0.991246	Mean dependent var		2.809861
Adjusted R-squared	0.990185	S.D. dependent var		0.785454
S.E. of regression	0.077815	Akaike info criterion		-2.156787
Sum squared resid	0.399646	Schwarz criterion		-1.878689
Log likelihood	89.87953	Hannan-Quinn criter.		-2.045746
F-statistic	934.1853	Durbin-Watson stat		0.733103
Prob(F-statistic)	0.000000

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关键词：hausman ausman SMA Aus 豪斯曼

哈哈，看不大懂