滞后期4,能得到什么结论啊
. gcause HSPI CPI,lag(4)regress
Granger causality test Sample: 5 to 34
obs = 30
H0: CPI does not Granger-cause HSPI
F( 4, 21) = 3.57
Prob > F = 0.0225
chi2(4) = 20.42 (asymptotic)
Prob > chi2 = 0.0004 (asymptotic)
Source | SS df MS Number of obs = 30
-------------+------------------------------ F( 8, 21) = 162.28
Model | 693.674156 8 86.7092695 Prob > F = 0.0000
Residual | 11.2206214 21 .534315305 R-squared = 0.9841
-------------+------------------------------ Adj R-squared = 0.9780
Total | 704.894777 29 24.3067165 Root MSE = .73097
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HSPI | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
HSPI |
L1. | 1.192885 .226413 5.27 0.000 .7220338 1.663737
L2. | -.2307001 .3444944 -0.67 0.510 -.9471154 .4857153
L3. | -.0353733 .3226811 -0.11 0.914 -.7064255 .6356788
L4. | -.0265367 .2029341 -0.13 0.897 -.4485612 .3954879
|
CPI |
L1. | -.4024259 .2929609 -1.37 0.184 -1.011671 .2068196
L2. | .9827441 .3570819 2.75 0.012 .2401517 1.725337
L3. | -.1721303 .3642103 -0.47 0.641 -.9295471 .5852865
L4. | -.5478009 .2634387 -2.08 0.050 -1.095652 .0000498
|
_cons | 24.88067 6.845453 3.63 0.002 10.64477 39.11657
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