ONTOLOGY EXPLORER
geometric mean
<https://spec.edmcouncil.org/fibo/ontology/FND/Utilities/Analytics/GeometricMean>
プロパティと値
| プロパティ | 値 |
|---|---|
| type | Class |
| label | "geometric mean" |
| subClassOf | Mean |
| definition | "mean that indicates the central tendency or typical value of a set of numbers by using the product of their values (as opposed to the arithmetic mean which uses their sum)" |
| explanatoryNote | "The geometric mean is defined as the nth root of the product of n numbers. A geometric mean is often used when comparing different items - finding a single 'figure of merit' for these items - when each item has multiple properties that have different numeric ranges. For example, the geometric mean can give a meaningful 'average' to compare two companies which are each rated at 0 to 5 for their environmental sustainability, and are rated at 0 to 100 for their financial viability. If an arithmetic mean were used instead of a geometric mean, the financial viability is given more weight because its numeric range is larger - so a small percentage change in the financial rating (e.g. going from 80 to 90) makes a much larger difference in the arithmetic mean than a large percentage change in environmental sustainability (e.g. going from 2 to 5)." |