'Can we apply multi-criteria decision making algorithms in incomplete data?

I am currently working on a project where a multi criteria decision making algorithm is needed in order to evaluate several alternatives for a given goal. After long research, I decided to use the AHP method for my case study. The problem is that the alternatives taken into account for the given goal contain incomplete data.

For example, I am interested in buying a house and I have three alternatives to consider. One criterion for comparing them is the size of the house. Let’s assume that I know the sizes of some of the rooms of these houses, but I do not have information about the actual sizes of the entire houses.

My questions are:

  • Can we apply AHP (or any MCDM method) when we are dealing with incomplete data?
  • What are the consequences?
  • And, how can we minimize the presence of missing data in MCDM?

I would really appreciate some advice or help! Thanks!

ahp


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