各位,帮我看一下我的模型。
Call:
plm(formula = ADOP ~ lag(ADOP, 1) + PE + WOR, data = well, effect = "time",
model = "within")
Unbalanced Panel: n=135, T=1-119, N=10972
Residuals :
Min. 1st Qu. Median 3rd Qu. Max.
-25.9000 -0.8950 -0.0627 0.7210 25.4000
Coefficients :
Estimate Std. Error t-value Pr(>|t|)
lag(ADOP, 1) 0.59081533 0.00598959 98.640 < 2.2e-16 ***
PE 0.04263590 0.00087449 48.755 < 2.2e-16 ***
WOR -0.03717528 0.00072192 -51.495 < 2.2e-16 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
Total Sum of Squares: 148890
Residual Sum of Squares: 42814
F-statistic: 8960.98 on 3 and 10850 DF, p-value: < 2.22e-16
> summary(fixef(ar1, effect="time"))
Estimate Std. Error t-value Pr(>|t|)
200002 2.66677 0.22335 11.9397 < 2.2e-16 ***
200003 2.42303 0.22340 10.8464 < 2.2e-16 ***
200004 2.49954 0.21370 11.6964 < 2.2e-16 ***
....略
你们看看下面的模型应该那样写吧???但是,我带入数据算得时候,为什么左右边不相等呢???相差特别大!!! 我是不是略掉一项了呢???
ADOP(200002)=0.59081533*ADOP(200001)+0.04263590*PE-0.03717528*WOR+2.66677 (2000年02月)