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| Titel: |
Interval estimates for the optimum point of a quadratic logistic curve —a comparison of different estimation methods via simulation |
| Auteur: |
Scazzero, Joseph A. Ord, J. K. |
| Verschenen in: |
Communications in statistics |
| Paginering: | Jaargang 24 (1995) nr. 1 pagina's 207-226 |
| Jaar: |
1995 |
| Inhoud: |
Suppose that the quadratic logistic model describes the relationship between a proportion p and some independent variable x. When constructing interval estimates for the value of x at which p attains an optimum value, the following asymptotic methods are available: 1) Fieller; 2) delta; 3) bootstrap variance; 4) bootstrap percentile; 5) bootstrap studentized percentile; and 6) jackknife. It is not known, however, how these asymptotic methods compare for finite sample sizes. For balanced D-optimum designs with equally spaced design points, simulation results were used to compare the small and moderate sample-size performance of these asymptotic methods. Overall, in terms of coverage probabilities and interval length characteristics, the delta method and bootstrap studentized percentile method gave the best results for small and moderate sample sizes, respectively. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 11 van 18 gevonden artikelen
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