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Further research on application of probability weighted moments in estimating parameters of the Pearson type three distribution |
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| Authors: | Ding Jing Song Dedun Yang Ronfu |
| Affiliation: | a Chengdu University of Science and Technology, Chengdu, Sichuan, P.R. of China b Nanjing Research Institute of Hydrology and Water Resources, Nanjing, P.R. of China |
| Abstract: | This paper contains further research results on the recently developed method for estimating parameters of P-III distribution by using probability weighted moments (PWM). The computing procedure can be largely simplified and the PWM method is appropriate and functional for various conditions of the skewness coefficient. Statistical experiments made based on the new procedure have shown that PWM estimators are almost unbiased and compare favorably with those by the conventional moment method. |
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