Dependent Variable: Y |
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Method: ML - ARCH (Marquardt) - Normal distribution | ||||
Date: 06/21/05 Time: 15:28 |
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Sample (adjusted): 12/02/2004 6/17/2005 |
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Included observations: 198 after adjustments |
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Convergence achieved after 60 iterations |
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Variance backcast: ON |
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GARCH = C(1) + C(2)*RESID(-1)^2 + C(3)*GARCH(-1) | ||||
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| Coefficient | Std. Error | z-Statistic | Prob. |
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| Variance Equation |
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C | 5.48E-05 | 3.87E-05 | 1.416212 | 0.1567 |
RESID(-1)^2 | 0.265673 | 0.117766 | 2.255936 | 0.0241 |
GARCH(-1) | 0.602249 | 0.198750 | 3.030189 | 0.0024 |
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R-squared | -0.002796 | Mean dependent var | -0.000863 | |
Adjusted R-squared | -0.013081 | S.D. dependent var | 0.016365 | |
S.E. of regression | 0.016472 | Akaike info criterion | -5.400567 | |
Sum squared resid | 0.052908 | Schwarz criterion | -5.350745 | |
Log likelihood | 537.6562 | Durbin-Watson stat | 2.074222 |
请帮我看一下 这是怎么回事?谢谢