Research Article
Regional Frequency Analysis of Extremes Precipitation Using L-Moments and Partial L-Moments
Table 8
Accuracy measure of the estimated growth curves of the region for sample size of 30.
| Method | Distribution | | 0.1 | 0.5 | 0.8 | 0.9 | 0.95 | 0.98 | 0.99 | 0.995 | 0.998 | 0.999 |
| L-moments | GEV | | −0.5400 | −19.7674 | −19.5328 | −19.3602 | −19.1579 | −18.8659 | −18.6376 | −18.4097 | −18.1165 | −17.9056 | | 0.0900 | 0.0695 | 0.0963 | 0.1952 | 0.3334 | 0.6038 | 0.9057 | 1.3261 | 2.1337 | 3.0048 | | 1.9873 | 0.1019 | 0.0635 | 0.0876 | 0.1090 | 0.1369 | 0.1595 | 0.1839 | 0.2191 | 0.2478 | | −2.0937 | 0.8829 | 0.9296 | 0.8842 | 0.8411 | 0.7862 | 0.7460 | 0.7065 | 0.6557 | 0.6177 | | 1.8714 | 1.1949 | 1.1208 | 1.1580 | 1.1884 | 1.2244 | 1.2516 | 1.2818 | 1.3285 | 1.3683 |
| L-moments | GNO | | 0.8124 | −19.6279 | −19.3846 | −19.2837 | −19.1816 | −19.0506 | −18.9573 | −18.8699 | −18.7636 | −18.6899 | | 0.0986 | 0.0696 | 0.0917 | 0.2051 | 0.3520 | 0.6027 | 0.8421 | 1.1312 | 1.6008 | 2.0312 | | 2.0766 | 0.1045 | 0.0587 | 0.0889 | 0.1120 | 0.1368 | 0.1533 | 0.1686 | 0.1878 | 0.2016 | | −2.1331 | 0.8683 | 0.9271 | 0.8780 | 0.8379 | 0.7958 | 0.7691 | 0.7453 | 0.7172 | 0.6978 | | 1.6569 | 1.1974 | 1.1077 | 1.1569 | 1.1954 | 1.2355 | 1.2615 | 1.2851 | 1.3149 | 1.3369 |
| L-moments | GPA | | 3.8654 | −19.4351 | −19.3564 | −19.3226 | −19.2616 | −19.1706 | −19.1060 | −19.0506 | −18.9966 | −18.9727 | | 0.1242 | 0.0669 | 0.0998 | 0.2136 | 0.3552 | 0.5968 | 0.8313 | 1.1188 | 1.5941 | 2.0368 | | 2.4785 | 0.1033 | 0.0614 | 0.0892 | 0.1111 | 0.1386 | 0.1602 | 0.1833 | 0.2162 | 0.2431 | | −2.5192 | 0.8591 | 0.9215 | 0.8817 | 0.8444 | 0.7979 | 0.7646 | 0.7327 | 0.6919 | 0.6623 | | 1.4272 | 1.1911 | 1.1115 | 1.1588 | 1.1976 | 1.2459 | 1.2841 | 1.3257 | 1.3859 | 1.4367 |
| PL-moments | GEV | | −0.2662 | −19.7059 | −19.4770 | −19.3340 | −19.1600 | −18.8996 | −18.6909 | −18.4797 | −18.2052 | −18.0066 | | 0.5379 | 0.0687 | 0.0947 | 0.2023 | 0.3467 | 0.6171 | 0.9087 | 1.3058 | 2.0551 | 2.854 | | 3.8117 | 0.0948 | 0.0649 | 0.0960 | 0.1210 | 0.1508 | 0.1736 | 0.1977 | 0.2324 | 0.2609 | | −7.7814 | 0.8892 | 0.9252 | 0.8725 | 0.8259 | 0.7697 | 0.7296 | 0.6911 | 0.6417 | 0.6050 | | 4.5516 | 1.1827 | 1.1207 | 1.1716 | 1.2117 | 1.2554 | 1.2881 | 1.3211 | 1.3693 | 1.4104 |
| PL-moments | GNO | | 3.5142 | −19.5922 | −19.3485 | −19.2704 | −19.1894 | −19.0806 | −19.0003 | −18.9235 | −18.8284 | −18.7617 | | 0.6203 | 0.0689 | 0.0939 | 0.2141 | 0.3644 | 0.6143 | 0.8483 | 1.1272 | 1.5747 | 1.9809 | | 4.3522 | 0.0971 | 0.0626 | 0.0980 | 0.1238 | 0.1504 | 0.1675 | 0.1831 | 0.2024 | 0.2162 | | −10.618 | 0.8772 | 0.9204 | 0.8655 | 0.8233 | 0.7800 | 0.7530 | 0.7290 | 0.7012 | 0.6822 | | 4.6353 | 1.1849 | 1.1122 | 1.1734 | 1.2189 | 1.2653 | 1.2949 | 1.3218 | 1.3546 | 1.3780 |
| PL-moments | GPA | | 12.123 | −19.4300 | −19.3238 | −19.3113 | −19.2716 | −19.2046 | −19.1555 | −19.1141 | −19.0768 | −19.0649 | | 0.8513 | 0.0666 | 0.1041 | 0.2250 | 0.3684 | 0.6021 | 0.8215 | 1.0853 | 1.5144 | 1.9094 | | 5.8811 | 0.0962 | 0.0669 | 0.0996 | 0.1233 | 0.1509 | 0.1720 | 0.1941 | 0.2258 | 0.2518 | | −17.507 | 0.8698 | 0.9130 | 0.8680 | 0.8299 | 0.7846 | 0.7524 | 0.7220 | 0.6831 | 0.6552 | | 4.7307 | 1.1791 | 1.1189 | 1.1774 | 1.2215 | 1.2739 | 1.314 | 1.3567 | 1.4195 | 1.4722 |
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