Pearson chi-squared divergence
GPTKB entity
Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:statistical_divergence
gptkb:distance_measure |
| gptkbp:alsoKnownAs |
gptkb:Pearson_χ²_divergence
gptkb:Pearson_divergence |
| gptkbp:application |
hypothesis testing
goodness-of-fit tests distribution comparison |
| gptkbp:category |
gptkb:f-divergence
|
| gptkbp:form |
D_P(P||Q) = ∑_i (P(i) - Q(i))^2 / Q(i)
|
| gptkbp:isAsymmetric |
true
|
| gptkbp:minimumAt |
P = Q
|
| gptkbp:minimumPressure |
0
|
| gptkbp:namedAfter |
gptkb:Karl_Pearson
|
| gptkbp:nonNegative |
true
|
| gptkbp:relatedTo |
gptkb:Kullback-Leibler_divergence
gptkb:chi-squared_test |
| gptkbp:usedIn |
gptkb:information_theory
statistics |
| gptkbp:bfsParent |
gptkb:f-divergence
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pearson chi-squared divergence
|