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Fitting the Pearson type 3 distribution in practice
Author(s) -
Buckett J.,
Oliver F. R.
Publication year - 1977
Publication title -
water resources research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.863
H-Index - 217
eISSN - 1944-7973
pISSN - 0043-1397
DOI - 10.1029/wr013i005p00851
Subject(s) - statistics , mathematics , pearson product moment correlation coefficient , maximum likelihood , percentile , type (biology) , streamflow , distribution (mathematics) , mathematical analysis , geography , geology , drainage basin , paleontology , cartography
The three‐parameter Pearson type 3 distribution is frequently fitted to streamflow data, partly in order to estimate percentiles. This practical study confirms that maximum likelihood methods can give very different, and much more satisfactory, estimates than the more usual method of moments.