Research Article
An Outranking Multicriteria Method for Nominal Classification Problems with Minimum Performance Profiles
Table 1
The six types of preference functions used in PROMETHEE [
40].
| | Criterion | Type | Parameters | Description |
| | Usual | I | None | It is used for qualitative criteria with few evaluation levels (up to 5-point-scale) |
| | Quasi-criterion (U-shape) | II | q parameter (indifference threshold) | It is a special case of level one |
| | Preference threshold (V-shape) | III | p parameter (preference threshold) | It is a special case of the linear criterion when there is no indifference threshold (q) |
| | Pseudo-criterion (Level) | IV | p and (preference and indifference thresholds) | It is used for qualitative criteria when one needs to differentiate smaller deviations from large ones |
| | Indifference area (Linear) | V | p and (preference and indifference thresholds) | It is used for quantitative criteria expressed on a continuous scale |
| | Gaussian | VI | Standard deviation | It is more difficult to structure because its threshold value is somewhere between the indifference threshold and the preference threshold |
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