Table 4.
Empirical Biases and MSEs of the parametric MDPDEs, for various α, and the two non-parametric estimators (QSN and MC) at sample size n = 100.
| Parametric MDPDE with α | Non-parametric | Parametric MDPDE with α | Non-parametric | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ϵ | 0(MLE) | 0.1 | 0.3 | 0.5 | 0.7 | 1 | QSN | MC | 0(MLE) | 0.1 | 0.3 | 0.5 | 0.7 | 1 | QSN | MC | |
| Bias | MSE | ||||||||||||||||
| 0 | μ | 0.005 | 0.010 | 0.011 | 0.015 | 0.031 | 0.080 | 0.398 | – | 0.003 | 0.004 | 0.005 | 0.006 | 0.007 | 0.010 | 0.178 | – |
| σ | −0.005 | −0.063 | −0.084 | −0.099 | −0.122 | −0.202 | −0.540 | – | 0.005 | 0.007 | 0.009 | 0.018 | 0.032 | 0.058 | 0.304 | – | |
| γ | 0.397 | 0.484 | 0.695 | 0.990 | 1.094 | 1.178 | −3.427 | −3.786 | 0.860 | 1.128 | 1.295 | 2.089 | 2.969 | 3.194 | 13.112 | 16.188 | |
| Outliers from SN(10,1,5) | |||||||||||||||||
| 0.05 | μ | 0.100 | 0.083 | 0.055 | 0.022 | 0.039 | 0.093 | 0.406 | – | 0.029 | 0.021 | 0.015 | 0.009 | 0.016 | 0.033 | 0.187 | – |
| σ | −0.248 | −0.220 | −0.115 | −0.103 | −0.149 | −0.217 | −0.484 | – | 0.090 | 0.062 | 0.045 | 0.027 | 0.094 | 0.124 | 0.251 | – | |
| γ | 1.089 | 1.025 | 1.009 | 0.962 | 1.119 | 1.234 | −3.476 | −3.833 | 2.967 | 2.747 | 2.337 | 2.169 | 2.997 | 3.499 | 12.448 | 14.957 | |
| 0.1 | μ | 0.106 | 0.095 | 0.077 | 0.036 | 0.051 | 0.103 | 0.388 | – | 0.034 | 0.025 | 0.016 | 0.010 | 0.025 | 0.042 | 0.178 | – |
| σ | −0.286 | −0.237 | −0.164 | −0.114 | −0.169 | −0.245 | −0.386 | – | 0.128 | 0.072 | 0.073 | 0.049 | 0.108 | 0.139 | 0.175 | – | |
| γ | 1.213 | 1.143 | 1.058 | 1.003 | 1.215 | 1.366 | −3.459 | −3.604 | 3.271 | 3.008 | 2.770 | 2.485 | 3.258 | 3.984 | 12.157 | 13.187 | |
| Outliers from SN(-10,1,5) | |||||||||||||||||
| 0.05 | μ | −0.103 | −0.079 | −0.047 | 0.017 | 0.036 | 0.101 | 0.360 | – | 0.035 | 0.024 | 0.014 | 0.010 | 0.018 | 0.039 | 0.149 | – |
| σ | −0.191 | −0.175 | −0.095 | −0.088 | −0.161 | −0.242 | −0.540 | – | 0.146 | 0.092 | 0.054 | 0.029 | 0.098 | 0.137 | 0.315 | ||
| γ | 1.128 | 1.038 | 1.009 | 0.916 | 1.107 | 1.249 | −3.672 | −4.029 | 3.324 | 2.961 | 2.500 | 2.184 | 3.143 | 3.562 | 13.629 | 18.652 | |
| 0.1 | μ | −0.131 | −0.088 | −0.060 | 0.034 | 0.068 | 0.127 | 0.316 | – | 0.047 | 0.034 | 0.024 | 0.014 | 0.028 | 0.049 | 0.119 | – |
| σ | −0.240 | −0.204 | −0.121 | −0.093 | −0.170 | −0.283 | −0.533 | – | 0.207 | 0.120 | 0.082 | 0.043 | 0.113 | 0.185 | 0.296 | – | |
| γ | 1.167 | 1.075 | 1.034 | 0.959 | 1.129 | 1.357 | −3.716 | −4.138 | 3.479 | 3.175 | 3.160 | 2.842 | 3.328 | 4.059 | 13.814 | 20.281 | |
| Outliers from SN(0,5,5) | |||||||||||||||||
| 0.05 | μ | 0.072 | 0.065 | 0.056 | 0.049 | 0.066 | 0.106 | 0.407 | – | 0.030 | 0.021 | 0.014 | 0.008 | 0.013 | 0.028 | 0.187 | – |
| σ | 0.244 | 0.188 | 0.123 | −0.097 | −0.132 | −0.236 | −0.502 | – | 0.326 | 0.263 | 0.148 | 0.081 | 0.119 | 0.245 | 0.267 | – | |
| γ | 1.169 | 1.057 | 1.002 | 0.885 | 1.130 | 1.260 | −3.501 | −3.902 | 3.415 | 3.148 | 2.948 | 2.362 | 3.019 | 3.749 | 12.121 | 15.515 | |
| 0.1 | μ | 0.082 | 0.074 | 0.059 | 0.051 | 0.077 | 0.113 | 0.402 | – | 0.038 | 0.030 | 0.016 | 0.009 | 0.020 | 0.035 | 0.186 | – |
| σ | 0.259 | 0.229 | 0.145 | 0.104 | −0.158 | −0.287 | −0.443 | – | 0.385 | 0.297 | 0.201 | 0.105 | 0.172 | 0.296 | 0.216 | – | |
| γ | 1.240 | 1.120 | 1.054 | 0.954 | 1.195 | 1.334 | −3.541 | −3.779 | 3.552 | 3.239 | 3.098 | 2.687 | 3.472 | 4.138 | 12.705 | 14.523 | |
| Outliers from SN(0,1,1) | |||||||||||||||||
| 0.05 | μ | −0.060 | −0.045 | −0.034 | −0.026 | 0.062 | 0.093 | 0.400 | – | 0.066 | 0.037 | 0.014 | 0.008 | 0.013 | 0.024 | 0.179 | – |
| σ | −0.198 | −0.147 | −0.113 | −0.105 | −0.129 | −0.246 | −0.541 | – | 0.191 | 0.125 | 0.082 | 0.049 | 0.089 | 0.169 | 0.310 | – | |
| γ | 1.106 | 1.032 | 1.014 | 1.002 | 1.097 | 1.386 | −3.616 | −4.049 | 3.413 | 3.124 | 2.678 | 2.284 | 3.195 | 3.798 | 13.218 | 16.766 | |
| 0.1 | μ | −0.067 | −0.060 | −0.046 | −0.035 | 0.071 | 0.103 | 0.394 | – | 0.114 | 0.075 | 0.036 | 0.059 | 0.101 | 0.037 | 0.175 | – |
| σ | −0.236 | −0.179 | −0.143 | −0.125 | −0.152 | −0.282 | −0.542 | – | 0.286 | 0.191 | 0.145 | 0.078 | 0.126 | 0.185 | 0.307 | – | |
| γ | 1.195 | 1.148 | 1.075 | 1.016 | 1.136 | 1.317 | −3.665 | −4.083 | 3.571 | 3.283 | 2.913 | 2.479 | 3.514 | 4.124 | 13.589 | 17.049 | |