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| Titel: |
Estimation of the multi-criteria worths of the alternatives in a hierarchical structure of comparisons |
| Auteur: |
Basak, Indrani |
| Verschenen in: |
Communications in statistics |
| Paginering: | Jaargang 18 (1989) nr. 10 pagina's 3719-3738 |
| Jaar: |
1989 |
| Inhoud: |
The aggregated worths of the alternatives, when compared with respect to several criteria, are estimated in a hierarchical comparisons model introduced by Saaty (1980). A multiplicative model is used for the paired comparisons data which are collected in a ratio scale in this set-up in any level of this hierarchy. An iterative scheme is found for the maximum likelihood estimation of the worth parameters in this multiplicative model. The iterative values are shown to be convergent monotonically to the estimates. We also obtain the asymptotic dispersion matrix of the maximum likelihood estimates of the relative worths of the alternatives according to a single criterion as well as those according to the over-all suitability when compared under several criteria. A numerical example is presented to illustrate the method developed in this paper. Simulation techniques are employed to find the average number of iterations required for the convergence of the above iterative scheme. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 12 van 24 gevonden artikelen
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