Dependent Variable: CACC/AST
Method: Least Squares
Date: 05/30/12 Time: 20:29
Sample: 1 372
Included observations: 372
CACC/AST=C(1)/AST+C(2)*(DREV-DREC)/AST+C(3)*PPE/AST+C(4)*LA
/AST+C(5)*DCFO/AST+C(6)*DEXP/AST
Variable Coefficient Std. Error t-Statistic Prob.
C(1) -3.46E+08 27714883 -12.50115 0.0000
C(2) 0.147360 0.057142 2.578824 0.0103
C(3) -1.132037 0.087629 -12.91854 0.0000
C(4) 2.288964 0.367102 6.235229 0.0000
C(5) -0.608613 0.244613 -2.488063 0.0133
C(6) 1.342720 0.384939 3.488138 0.0005
R-squared -6.056817 Mean dependent var -0.930593
Adjusted R-squared -6.153222 S.D. dependent var 0.240710
S.E. of regression 0.643792 Akaike info criterion 1.973115
Sum squared resid 151.6952 Schwarz criterion 2.036323
Log likelihood -360.9993 Hannan-Quinn criter. 1.998216
Durbin-Watson stat 1.196852
拟合优度为负数,为什么?请教高手!我凌乱了... ...


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