Variable Coefficient Std. Error t-Statistic Prob.
C 3.355321 0.623794 5.378892 0.0058
LOG(X1) -0.122174 0.069261 -1.763976 0.1525
LOG(X2) 0.016441 0.176657 0.093068 0.9303
LOG(X3) -0.605889 0.073721 -8.218693 0.0012
LOG(X4) 0.336977 0.161542 2.085998 0.1053
R-squared 0.955417 Mean dependent var 3.834324
Adjusted R-squared 0.910834 S.D. dependent var 0.383018
S.E. of regression 0.114372 Akaike info criterion -1.198537
Sum squared resid 0.052324 Schwarz criterion -1.088968
Log likelihood 10.39342 F-statistic 21.42997
Durbin-Watson stat 1.796037 Prob(F-statistic) 0.005786
用EVIEWS做的,按经济意义来说,都应该为负的才对,是不是存在多重共线性,如果不去掉变量,只能用主成分分析吗,谢谢。
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