我已经做到这个地步了，但是不知道怎么分析，也不知道下步该干嘛？

恳求高手支招：

Dependent Variable: Y
Method: Least Squares
Date: 06/29/07 Time: 11:18
Sample: 1978 2002
Included observations: 25
Weighting series: 1/ABS(RESID)

Variable Coefficient Std. Error t-Statistic Prob.

C 31.58711 62.76621 0.503250 0.6198
X1 0.022812 0.002328 9.797732 0.0000
X2 0.689374 0.013835 49.82970 0.0000

Weighted Statistics

R-squared 0.999986 Mean dependent var 7480.639
Adjusted R-squared 0.999985 S.D. dependent var 22851.07
S.E. of regression 88.68028 Akaike info criterion 11.92012
Sum squared resid 173012.2 Schwarz criterion 12.06638
Log likelihood -146.0015 F-statistic 16365.10
Durbin-Watson stat 0.686150 Prob(F-statistic) 0.000000

Unweighted Statistics

还有那个什么resid（-1）和resid(-2)怎么做哦？

小女子先谢过拉。。。