Analytical Hierarchy Process
AHP is especially suitable for complex decisions which involve
the comparison of decision elements which are difficult to quantify.
It is based on the assumption that when faced with a complex
decision the natural human reaction is to cluster the decision
elements according to their common characteristics.
It involves building a hierarchy (Ranking) of decision elements
and then making comparisons between each possible pair in each
cluster (as a matrix). This gives a weighting for each element
within a cluster (or level of the hierarchy) and also a consistency
ratio (useful for checking the consistency of the data).
The Analytical Hierarchy Process Model was designed by TL
Saaty as a decision making aid.
Reference
- Saaty TL, 1980, The Analytic Hierarchy Process, NY, McGraw
Hill
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