To my fellow researchers:
I have serious doubts about the AHP process and methodology, and perhaps I have some misconceptions on it. I will be happy to modify them if I am wrong.
We can interchange opinions via RG, which I recommend, or by emails.
I would like to have a deep discussion about the merits and demerits of this system, especially for complex, not for complicated (these terms are not the same), undertakings such as industrial locations,rivers basins, energy generation, city rehabilitation of neglected areas, airports analysis, etc.
For instance the discussion may include aspects such as: (The selection of the field to discuss is free for everybody).:
Validity of pair-wise comparison for criteria and alternatives. Is this procedure correct?
Validity for using criteria weights to evaluate alternatives. Does this procedure have a solid ground?
Rank reversal, not only in AHP but in other models.
How does the DM do when the result shows two or more alternatives with the same score?
Validity of using subjective variations in criteria importance to perform meaningful sensitivity analysis (which is common to all models). Does this procedure have sense?
Yes sir.. Presently i am planning to start some of my work on AHP.. plzz provide me all the material for the same. Any research paper which discusses the theory of AHP
Dear Nandan
There are hundreds of research papers about AHP in the Internet
You can learn it by consulting his creator, Dr Saaty in Internet and even a very good and concise explanation in Wikipedia
Its theory is not difficult and you can learn it easily
Dear Nandan and Nolberto, For your information Professor Thomas L. Saaty is here in RG system. You may consult directly using RG platform.
I have done some simple AHP analyses. It's very interesting approach especially when someone needs to do a complicated decision making process.
Yes
I knew that Prof Saaty is in RG. The reason why I suggested to look for his work in Internet is because there it may be found his pioneer original work, back in the 80s.
I agree that it is a very interesting and novel approach and by far the most popular, known, and easy to learn than all MCDM models, however I don't think that it supports complex scenarios where there could be hundreds of alternatives and hundreds of criteria, in addition to many different restrictions that must be met in some large projects, where there could be especial conditions that must be introduced in the analysis, and that are not subject or expressed by any hierarchy.
I am not removing merits to the model, just pointing out that in my opinion it is not suitable to solve difficult and very conditioned scenarios
Dear AHP lovers,
I am also very new to AHP and my PhD topic based on it. What my supervisor advised me do the AHP prioritization with FUZZY Logic. I have some knowledge about AHP but have no much about FUZZY. Why my supervisor advised me to do this combine?
Dear Illangarathne
Well, I am not precisely an AHP lover, but I think that I can help you.
I would suggest asking your supervisor why is he asking you to use fuzzy logic in AHP.
I am sure that he has his reasons, most probably because there are literally hundreds of papers on AHP, and then he may suggest doing something different. However, fuzzy logic has been applied to AHP for some time now and many people, including here in RG, is against it because they argue that by its nature AHP is fuzzy.
I am not taking part in this discussion, only informing you what has been said here and that you can check
Dear Hama Sellak
Thank you for your interest and for sending me the two papers on HFLTS sets.
As per your asking I went through their heavy reading. Frankly, I am in no condition to make comments on them, simply because Hesitant Fuzzy Sets is an area beyond my field of expertise, and albeit I have some knowledge of the subject I do not considered myself qualified for judgement.
I was surprised by your request that without a doubt was an answer to my own asking for people interested in discussion on AHP, because I don’t see any relation between yours and mine requests.
Nevertheless, I am still willing to discuss on criteria, weights, sensitivity analysis, and on AHP, or on another heuristic models if you so desired
Best regards
Nolberto
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