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Graph reduction method for fuzzy graph

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  • Izabela Kutschenreiter-Praszkiewicz

Abstract

Przedstawiono metodykę wyznaczania ryzyka realizacji przedsięwzięć dla prawdopodobieństwa wyrażonego za pomocą zmiennej lingwistycznej. Wprowadzono zbiory rozmyte typu II w celu uwzględnienia odmiennych ocen ryzyka prowadzonych przez ekspertów planujących przedsięwzięcie. Podjęto próbę opracowania metodyki redukcji grafów rozmytych, która pozwala wyznaczyć ryzyko realizacji przedsięwzięcia dla prawdopodobieństwa określonego w sposób lingwistyczny. Na przykładach przedstawiono zastosowanie zaproponowanej metodyki wyznaczania prawdopodobieństwa. #E_Abstract. #Keywords planowanie, ryzyko, grafy rozmyte, zbiory rozmyte typu II, zmienna lingwistyczna #Received #Accepted #Online #RePEC https://ideas.repec.org/a/wut/journl/v3-4y2007p111-119.html #E #DOI #Pages 121-131 #Id 87 #Title Econometric estimation of hidden factors in group decision making – their impact on power index estimation #Authors Jacek W. Mercik &Jacek.Mercik@pwr.wroc.pl & #S_Abstract Assessing the voting power of a decision maker depends on the appropriate evaluation of all factors influencing such power. Models constructed with the use of a set of given factors are usually statistically significant, but at the same time the determination coefficient is very low. An econometric technique is proposed, which increases the determination coefficient of such a model and consequently improves the estimation of voting power using a power index. Such an approach enables us to investigate the nature of hidden factors by considering their effects and variation in the model. An example and algorithm for improving the econometric model are also presented.

Suggested Citation

  • Izabela Kutschenreiter-Praszkiewicz, 2007. "Graph reduction method for fuzzy graph," Operations Research and Decisions, Wroclaw University of Science and Technology, Faculty of Management, vol. 17(3-4), pages 111-119.
    • Handle: RePEc:wut:journl:v:3-4:y:2007:p:111-119
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    Keywords

    hidden factors; power index;

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