Dependent Variable: LNY | | |
Method: Quantile Regression (tau = 0.9) | |
Date: 06/24/13 Time: 09:29 | | |
Sample: 1981 2011 | | |
Included observations: 31 | | |
Huber Sandwich Standard Errors & Covariance | |
Sparsity method: Kernel (Epanechnikov) using residuals |
Bandwidth method: Hall-Sheather, bw=0.11014 | |
Estimation successfully identifies unique optimal solution |
Bandwith too large in sandwich covariance estimation |
Error in sandwich covariance estimation | |
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Variable | Coefficient | Std. Error | t-Statistic | Prob. |
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LNX1 | 0.756215 | NA | NA | NA |
LNX2 | 0.149467 | NA | NA | NA |
LNX6 | -0.589655 | NA | NA | NA |
LNX8 | -0.518195 | NA | NA | NA |
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Pseudo R-squared | 0.615232 | Mean dependent var | 4.651394 |
Adjusted R-squared | 0.572480 | S.D. dependent var | 0.255578 |
S.E. of regression | 0.133434 | Objective | 0.422381 |
Quantile dependent var | 4.951864 | Objective (const. only) | 1.097753 |
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做分位数回归,选择0.9 出现上面这种情况,0.1的时候也是这样 0.15和0.85的时候是正常的,请问各位这是什么原因,正常的吗?