欲用表一分析相关的经济现象,但本人是新手,为确保分析的准确性,特向各位老师请教几个问题:
1、表一各参数是否说明回归结果是较好的?
2、在JJHE无统计意义下,拟合优度 是否仍为0.924955 。
3、回归分析结果为:Jmck=39476+0.321jjhe-0.695lcye-2171874hl,对吗?
4、如果JMCK与JJHE在现实中呈负相关的关系,而本分析结果却为正相关关系,是否
应剔除JJHE变量再重新回归呢?
谢谢指教!
表一
Dependent Variable: JMCK
Method: Least Squares
Date: 12/09/06 Time: 22:21
Sample: 2005:07 2006:10
Included observations: 16
Variable Coefficient Std. Error t-Statistic Prob.
C 39476.42 4139.500 9.536518 0.0000
LCYE -0.694817 0.223078 -3.114686 0.0089
JJHE 0.321121 0.506686 0.633766 0.5381
HL -217186.8 34400.85 -6.313416 0.0000
R-squared 0.924955 Mean dependent var 10086.25
Adjusted R-squared 0.906194 S.D. dependent var 349.7455
S.E. of regression 107.1192 Akaike info criterion 12.39808
Sum squared resid 137694.3 Schwarz criterion 12.59123
Log likelihood -95.18464 F-statistic 49.30151
Durbin-Watson stat 2.034986 Prob(F-statistic) 0.000001