matrix.Matrix.rate_choices

Matrix.rate_choices(choices_and_criteria_to_ratings: dict[str, dict[str, float]])

Given some choices, assign ratings (dictionary values) to given criteria (dictionary keys).

Parameters

choices_and_criteria_to_ratings (dict[str, dict[str, float]]) – The nested dictionary containing the choices and the ratings for each criteria.

Raises

ValueError – * If any of the given criteria is not continuous.

• If any of the given criteria has not been added yet; its weight is unknown.

Examples

>>> import matrix
>>> m = matrix.Matrix(
...     criteria=('taste', 'color'),  # No need to add choices here
...     weights=(7, 3)
... )
>>> m.rate_choices({
...     'apple': {'taste': 7, 'color': 5},
...     'orange': {'taste': 9, 'color': 3}
... })
>>> m
|        |   taste |   color | Percentage   |
|:-------|--------:|--------:|:-------------|
| Weight |       7 |       3 |              |
| apple  |       7 |       5 | 64.0         |
| orange |       9 |       3 | 72.0         |

matrix.Matrix.rate_choice matrix.Matrix.if_