Table 3 |
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|
Spatial error regression model |
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|
Model description |
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|
|
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|
Y |
No. of variables |
No. of observations |
Degrees of freedom |
||
|
|
|||||
|
SMR |
2 |
2306 |
2304 |
||
|
|
|||||
|
Model fit |
|||||
|
|
|||||
|
R2 |
Log likelihood |
AIC |
|||
|
|
|||||
|
0.2800 |
-201.834 |
407.669 |
|||
|
|
|||||
|
Model estimation |
|||||
|
|
|||||
|
Variable |
Coefficient |
Std. Error |
t-Statistic |
p |
|
|
|
|||||
|
CONSTANT |
0.7506 |
0.0509 |
14.759 |
0.0000 |
|
|
|
|||||
|
AOD |
0.7774 |
0.3022 |
2.573 |
0.0101 |
|
|
|
|||||
|
λ |
0.5678 |
0.0231 |
24.600 |
0.0000 |
|
|
|
|||||
|
Diagnostic tests |
|||||
|
|
|||||
|
Tests |
DF |
Value |
p |
||
|
|
|||||
|
Heteroskedasticity |
Breusch-Pagan |
1 |
0.067 |
0.7954 |
|
|
|
|||||
|
Spatial dependence |
Likelihood Ratio |
1 |
501.856 |
0.0000 |
|
|
|
|||||
|
Hu and Rao Environmental Health 2009 8:26 doi:10.1186/1476-069X-8-26 |
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