e-book Models, Methods, Concepts & Applications of the Analytic Hierarchy Process

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There was a problem with saving your item s for later. You can go to cart and save for later there. Average rating: 0 out of 5 stars, based on 0 reviews Write a review. Walmart Tell us if something is incorrect. Add to Cart. Free delivery. Arrives by Friday, Sep Free pickup Fri, Sep Ships to San Leandro, Davis St. Product Highlights A node with priority. Depending on the problem at hand, "weight" can refer to importance, or preference, or likelihood, or whatever factor is being considered by the decision makers.

Priorities are distributed over a hierarchy according to its architecture, and their values depend on the information entered by users of the process. Priorities of the Goal, the Criteria, and the Alternatives are intimately related, but need to be considered separately. By definition, the priority of the Goal is 1.

The priorities of the alternatives always add up to 1. Things can become complicated with multiple levels of Criteria, but if there is only one level, their priorities also add to 1.

Models, methods, concepts & applications of the analytic hierarchy process - EconBiz

All this is illustrated by the priorities in the example below. Observe that the priorities on each level of the example—the goal, the criteria, and the alternatives—all add up to 1. The priorities shown are those that exist before any information has been entered about weights of the criteria or alternatives, so the priorities within each level are all equal. They are called the hierarchy's default priorities. If a fifth Criterion were added to this hierarchy, the default priority for each Criterion would be.

If there were only two Alternatives, each would have a default priority of.

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Two additional concepts apply when a hierarchy has more than one level of criteria: local priorities and global priorities. Consider the hierarchy shown below, which has several Subcriteria under each Criterion. The local priorities, shown in gray, represent the relative weights of the nodes within a group of siblings with respect to their parent. The local priorities of each group of Criteria and their sibling Subcriteria add up to 1.

The global priorities, shown in black, are obtained by multiplying the local priorities of the siblings by their parent's global priority. The global priorities for all the subcriteria in the level add up to 1. The rule is this: Within a hierarchy, the global priorities of child nodes always add up to the global priority of their parent. Within a group of children, the local priorities add up to 1. So far, we have looked only at default priorities. As the Analytical Hierarchy Process moves forward, the priorities will change from their default values as the decision makers input information about the importance of the various nodes.


They do this by making a series of pairwise comparisons. Experienced practitioners know that the best way to understand the AHP is to work through cases and examples. Two detailed case studies , specifically designed as in-depth teaching examples, are provided as appendices to this article:. Some of the books on AHP contain practical examples of its use, though they are not typically intended to be step-by-step learning aids.

The AHP is included in most operations research and management science textbooks, and is taught in numerous universities; it is used extensively in organizations that have carefully investigated its theoretical underpinnings. Occasional criticisms still appear. A paper examined possible flaws in the verbal vs. Decision making involves ranking alternatives in terms of criteria or attributes of those alternatives.

It is an axiom of some decision theories that when new alternatives are added to a decision problem, the ranking of the old alternatives must not change — that " rank reversal " must not occur. There are two schools of thought about rank reversal. One maintains that new alternatives that introduce no additional attributes should not cause rank reversal under any circumstances. The other maintains that there are some situations in which rank reversal can reasonably be expected. The original formulation of AHP allowed rank reversals. In , Forman [50] introduced a second AHP synthesis mode, called the ideal synthesis mode, to address choice situations in which the addition or removal of an 'irrelevant' alternative should not and will not cause a change in the ranks of existing alternatives.

The current version of the AHP can accommodate both these schools—its ideal mode preserves rank, while its distributive mode allows the ranks to change. Either mode is selected according to the problem at hand. A new form of rank reversal of AHP was found in [51] in which AHP produces rank order reversal when eliminating irrelevant data, this is data that do not differentiate alternatives. There are different types of rank reversals. Also, other methods besides the AHP may exhibit such rank reversals. Within a comparison matrix one may replace a judgement with a less favorable judgment and then check to see if the indication of the new priority becomes less favorable then the original priority.

In the context of tournament matrices, it has been proven by Oskar Perron [52] that the principal right eigenvector method is not monotonic.

Alternative approaches are discussed elsewhere [53] [54] [55] [56]. Images, videos and audio are available under their respective licenses. Home FAQ Contact. Analytic hierarchy process Wikipedia open wikipedia design. This article possibly contains original research. Please improve it by verifying the claims made and adding inline citations. Statements consisting only of original research should be removed. July Learn how and when to remove this template message.

International Sustainability European Journal of Industrial Engineering. June Retrieved London: Springer-Verlag. Gass July Operations Research. In Renard, Kenneth G. First Interagency Conference on Research on the Watersheds. Benson, Arizona: U. Department of Agriculture, Agricultural Research Service.

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Models, methods, concepts & applications of the analytic hierarchy process

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Archived from the original on 22 August Archived from the original on 29 August In Levy, Jason ed. Honolulu, Hawaii. July Archived from the original on This book is the primary source for the sections in which it is cited. Forman The Hierarchon: A Dictionary of Hierarchies.

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