excessKurtosis
P74398
predicate
Indicates that a distribution’s kurtosis exceeds that of a normal distribution, reflecting heavier or lighter tails relative to the normal case.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| kurtosisExcess | 4 |
| hasKurtosisExcess | 1 |
Sample triples (7)
| Subject | Object |
|---|---|
| Laplace law of error | 3 ⓘ |
| F-distribution | 12 (d1 (5 d2 - 22) (d1 + d2 - 2) + (d2 - 4)^2 (d2 - 2)) / ( d1 (d2 - 6) (d2 - 8) (d1 + d2 - 2) ) for d2 > 8 via predicate surface "kurtosisExcess" ⓘ |
| Bernoulli distribution | (1-6p(1-p))/(p(1-p)) via predicate surface "kurtosisExcess" ⓘ |
| chi-square distribution | 12/k via predicate surface "kurtosisExcess" ⓘ |
| Student’s t-distribution | 6/(ν-4) for ν>4 via predicate surface "kurtosisExcess" ⓘ |
| Laplace distribution | 3 ⓘ |
| Tracy–Widom distribution | approximately 0.16524294 for type II via predicate surface "hasKurtosisExcess" ⓘ |