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Autor  |
Akamine, T. |
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Titel |
Evaluation of Error Caused by Histogram on Estimation of Parameters for a Mixture of Normal Distributions |
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Zeitschrift, Artikel |
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Jahr |
1988 |
Publikation |
Bull. Japan Sea Reg. Fish. Res. Lab. Nissuiken Hokoku |
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38 |
Seiten |
171-185 |
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Schlüsselwörter |
Normalverteilung, basic, listing, methode, algorithmus, poly-verteilung |
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Zusammenfassung |
When histograms are used instead of raw data to estimate parameters by the maximum likelihood method, data has an error distributed according to a regular distribution among the width of the histogram. This influence on the estimation of parameters is evaluated by the linearized error propagation rule. Covariance is in proportion to the width squared and in inverse proportion to the number of data. Even if the number of data is large, the precision is low for small normal distributions. In practice, an adequate width will be given by the shapes of the histograms. |
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Rufnummer |
219 |
Signatur |
2107 |
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