近几年遇到许多朋友,都是做空间计量的。这里有一个命令,用系统的数据演示一下他们的结果。
命令为 spregdpd
clear all
sysuse spregdpd.dta, clear
db spregdpd
* (1) (xtdhp) Han-Philips (2010) Linear Dynamic Panel Data:}
spregdpd y x1 x2 , nc(7) wmfile(SPWxt) model(sar) run(xtdhp) mfx(lin) test
spregdpd y x1 x2 , nc(7) wmfile(SPWxt) model(sar) run(xtdhp) mfx(lin) test re
spregdpd y x1 x2 , nc(7) wmfile(SPWxt) model(sar) run(xtdhp) mfx(lin) test fe
spregdpd y x1 x2 , nc(7) wmfile(SPWxt) model(sar) run(xtdhp) mfx(lin) test be
结果如下:
spregdpd y x1 x2 , nc(7) wmfile(SPWxt) model(sar) run(xtdhp) mfx(lin) test
==============================================================================
*** Binary (0/1) Weight Matrix: 49x49 - NC=7 NT=7 (Non Normalized)
==============================================================================
* Spatial Lag Han-Philips Linear Dynamic Panel Data Regression
==============================================================================
y = w1y_y + x1 + x2
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Sample Size = 42 | Cross Sections Number = 7
Wald Test = 52.2355 | P-Value > Chi2(4) = 0.0000
F-Test = 13.0589 | P-Value > F(4 , 38) = 0.0000
(Buse 1973) R2 = 0.5789 | Raw Moments R2 = 0.9661
(Buse 1973) R2 Adj = 0.5456 | Raw Moments R2 Adj = 0.9635
Root MSE (Sigma) = 13.3907 | Log Likelihood Function = -142.5329
------------------------------------------------------------------------------
- R2h= 0.4614 R2h Adj= 0.4188 F-Test = 7.92 P-Value > F(4 , 38) 0.0001
- R2v= 0.4431 R2v Adj= 0.3992 F-Test = 7.36 P-Value > F(4 , 38) 0.0002
------------------------------------------------------------------------------
y | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
y |
L1. | .0267714 .2782332 0.10 0.924 -.5364823 .5900251
|
w1y_y | -.1229202 .0692124 -1.78 0.084 -.2630333 .017193
x1 | -.2951249 .0833482 -3.54 0.001 -.4638545 -.1263953
x2 | -.8707571 .3158102 -2.76 0.009 -1.510081 -.2314327
_cons | 69.89907 7.676856 9.11 0.000 54.35808 85.44005
------------------------------------------------------------------------------
Rho Value = -0.1229 Chi2 Test = 3.154 P-Value > Chi2(1) 0.0837
------------------------------------------------------------------------------
==============================================================================
* Panel Model Selection Diagnostic Criteria
==============================================================================
- Log Likelihood Function LLF = -142.5329
---------------------------------------------------------------------------
- Akaike Information Criterion (1974) AIC = 65.8578
- Akaike Information Criterion (1973) Log AIC = 4.1875
---------------------------------------------------------------------------
- Schwarz Criterion (1978) SC = 80.9931
- Schwarz Criterion (1978) Log SC = 4.3944
---------------------------------------------------------------------------
- Amemiya Prediction Criterion (1969) FPE = 64.1975
- Hannan-Quinn Criterion (1979) HQ = 71.0456
- Rice Criterion (1984) Rice = 68.1245
- Shibata Criterion (1981) Shibata = 64.2625
- Craven-Wahba Generalized Cross Validation (1979) GCV = 66.8804
------------------------------------------------------------------------------
==============================================================================
*** Spatial Panel Aautocorrelation Tests
==============================================================================
Ho: Error has No Spatial AutoCorrelation
Ha: Error has Spatial AutoCorrelation
- GLOBAL Moran MI = 0.1519 P-Value > Z( 1.442) 0.1493
- GLOBAL Geary GC = 0.8314 P-Value > Z(-1.132) 0.2576
- GLOBAL Getis-Ords GO = -0.4341 P-Value > Z(-1.442) 0.1493
------------------------------------------------------------------------------
- Moran MI Error Test = 0.7885 P-Value > Z(6.648) 0.4304
------------------------------------------------------------------------------
- LM Error (Burridge) = 1.1335 P-Value > Chi2(1) 0.2870
- LM Error (Robust) = 4.2647 P-Value > Chi2(1) 0.0389
------------------------------------------------------------------------------
Ho: Spatial Lagged Dependent Variable has No Spatial AutoCorrelation
Ha: Spatial Lagged Dependent Variable has Spatial AutoCorrelation
- LM Lag (Anselin) = 0.2512 P-Value > Chi2(1) 0.6163
- LM Lag (Robust) = 3.3823 P-Value > Chi2(1) 0.0659
------------------------------------------------------------------------------
Ho: No General Spatial AutoCorrelation
Ha: General Spatial AutoCorrelation
- LM SAC (LMErr+LMLag_R) = 4.5159 P-Value > Chi2(2) 0.1046
- LM SAC (LMLag+LMErr_R) = 4.5159 P-Value > Chi2(2) 0.1046
------------------------------------------------------------------------------
==============================================================================
*** Panel Heteroscedasticity Tests
==============================================================================
Ho: Panel Homoscedasticity - Ha: Panel Heteroscedasticity
- Engle LM ARCH Test AR(1): E2 = E2_1 = 0.0726 P-Value > Chi2(1) 0.7876
------------------------------------------------------------------------------
- Hall-Pagan LM Test: E2 = Yh = 0.3077 P-Value > Chi2(1) 0.5791
- Hall-Pagan LM Test: E2 = Yh2 = 0.2093 P-Value > Chi2(1) 0.6473
- Hall-Pagan LM Test: E2 = LYh2 = 0.2159 P-Value > Chi2(1) 0.6422
------------------------------------------------------------------------------
- Harvey LM Test: LogE2 = X = 4.8798 P-Value > Chi2(2) 0.0872
- Wald Test: LogE2 = X = 12.0405 P-Value > Chi2(1) 0.0005
- Glejser LM Test: |E| = X = 9.9360 P-Value > Chi2(2) 0.0070
- Breusch-Godfrey Test: E = E_1 X = 13.7779 P-Value > Chi2(1) 0.0002
------------------------------------------------------------------------------
- White Test - Koenker(R2): E2 = X = 11.9021 P-Value > Chi2(3) 0.0077
- White Test - B-P-G (SSR): E2 = X = 15.3726 P-Value > Chi2(3) 0.0015
------------------------------------------------------------------------------
- White Test - Koenker(R2): E2 = X X2 = 13.6675 P-Value > Chi2(6) 0.0336
- White Test - B-P-G (SSR): E2 = X X2 = 17.6528 P-Value > Chi2(6) 0.0072
------------------------------------------------------------------------------
- White Test - Koenker(R2): E2 = X X2 XX= 26.5080 P-Value > Chi2(9) 0.0017
- White Test - B-P-G (SSR): E2 = X X2 XX= 34.2374 P-Value > Chi2(9) 0.0001
------------------------------------------------------------------------------
- Cook-Weisberg LM Test: E2/S2n = Yh = 0.3974 P-Value > Chi2(1) 0.5284
- Cook-Weisberg LM Test: E2/S2n = X = 15.3726 P-Value > Chi2(3) 0.0015
------------------------------------------------------------------------------
*** Single Variable Tests (E2/Sig2):
- Cook-Weisberg LM Test: w1y_y = 0.0793 P-Value > Chi2(1) 0.7782
- Cook-Weisberg LM Test: x1 = 6.0091 P-Value > Chi2(1) 0.0142
- Cook-Weisberg LM Test: x2 = 2.1350 P-Value > Chi2(1) 0.1440
------------------------------------------------------------------------------
*** Single Variable Tests:
- King LM Test: w1y_y = 0.2436 P-Value > Chi2(1) 0.6216
- King LM Test: x1 = 1.6791 P-Value > Chi2(1) 0.1950
- King LM Test: x2 = 2.6472 P-Value > Chi2(1) 0.1037
------------------------------------------------------------------------------
==============================================================================
* Panel Non Normality Tests
==============================================================================
Ho: Normality - Ha: Non Normality
------------------------------------------------------------------------------
*** Non Normality Tests:
- Jarque-Bera LM Test = 0.6646 P-Value > Chi2(2) 0.7173
- White IM Test = 5.3990 P-Value > Chi2(2) 0.0672
- Doornik-Hansen LM Test = 3.0700 P-Value > Chi2(2) 0.2155
- Geary LM Test = -1.2014 P-Value > Chi2(2) 0.5484
- Anderson-Darling Z Test = 0.4429 P > Z( 0.549) 0.7085
- D'Agostino-Pearson LM Test = 1.5321 P-Value > Chi2(2) 0.4648
------------------------------------------------------------------------------
*** Skewness Tests:
- Srivastava LM Skewness Test = 0.0695 P-Value > Chi2(1) 0.7921
- Small LM Skewness Test = 0.0888 P-Value > Chi2(1) 0.7658
- Skewness Z Test = -0.2979 P-Value > Chi2(1) 0.7658
------------------------------------------------------------------------------
*** Kurtosis Tests:
- Srivastava Z Kurtosis Test = 0.7715 P-Value > Z(0,1) 0.4404
- Small LM Kurtosis Test = 1.4433 P-Value > Chi2(1) 0.2296
- Kurtosis Z Test = 1.2014 P-Value > Chi2(1) 0.2296
------------------------------------------------------------------------------
Skewness Coefficient = -0.0996 - Standard Deviation = 0.3654
Kurtosis Coefficient = 3.5832 - Standard Deviation = 0.7166
------------------------------------------------------------------------------
Runs Test: (18) Runs - (19) Positives - (23) Negatives
Standard Deviation Runs Sig(k) = 3.1709 , Mean Runs E(k) = 21.8095
95% Conf. Interval [E(k)+/- 1.96* Sig(k)] = (15.5947 , 28.0244 )
------------------------------------------------------------------------------
* Marginal Effect - Elasticity (Model= sar): Linear *
+---------------------------------------------------------------------------+
| Variable | Marginal_Effect(B) | Elasticity(Es) | Mean |
|------------+--------------------+--------------------+--------------------|
| L.y | 0.0268 | 0.0265 | 34.7923 |
| w1y_y | -0.1229 | -0.3499 | 100.0064 |
| x1 | -0.2951 | -0.3229 | 38.4362 |
| x2 | -0.8708 | -0.3563 | 14.3749 |
+---------------------------------------------------------------------------+
Mean of Dependent Variable = 35.1288




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