The Effects of Different Normalization Methods to Decision Making Process in TOPSIS

Abstract

Existing of many different alternatives has revealed a decision making problem. The analysis of many different evaluation criteria when comparing the alternatives is an inevitable situation. There are various multi criteria decision making methods which can be used in these decision making problems. Normalization methods have been used for analyzing the evaluation criteria which have got different measurement units in some multi criteria decision making methos. However, different normalization methods can be used for the same multi criteria decision making method. The purpose of this study is to compare of the results by trying of all normalization methods in TOPSIS method via sample data sets

Keywords

• Normalization methods, multi criteria decision making, TOPSIS method

Farklı Normalizasyon Yöntemlerinin TOPSIS’te Karar Verme Sürecine Etkisi

Abstract

Çok sayıda alternatifin olması durumu bir karar verme problemini ortaya çıkarmaktadır. Bu alternatiflerin karşılaştırılırken de birden çok değerlendirme ölçütünün bir arada incelenmesi kaçınılmaz bir durumdur. Bu tür karar verme problemlerinde kullanılabilen çeşitli çok ölçütlü karar verme yöntemleri mevcuttur. Bazı çok ölçütlü karar verme yöntemlerinin işleyiş aşamalarında ölçüm birimleri birbirinden farklı olan değerlendirme ölçütlerinin birlikte incelenmesini sağlamak amacıyla normalizasyon yöntemleri kullanılmaktadır. Ancak aynı çok ölçütlü karar verme yönteminde farklı normalizasyon yöntemlerinin kullanıldığı da görülmektedir. Bu çalışmanın amacı, çok ölçütlü karar verme yöntemlerinden biri olan TOPSIS yöntemi için tüm normalizasyon yöntemlerinin örnek veri setleri üzerinde denenip sonuçlarının karşılaştırılmasıdır

Keywords

• Normalizasyon yöntemleri, çok ölçütlü karar verme, TOPSIS yöntemi

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