Search results

...ely related to [[Cramér's V]], coinciding with it for square [[contingency tables]]. For an ''r''&nbsp;×&nbsp;''c'' contingency table with ''r'' rows and ''c'' columns, let <math>\pi_{ij}</math> be the p ...

...ponse and/or to several groups are commonly called Cochran–Mantel–Haenszel statistics.<ref>{{cite journal | author = Nathan Mantel | title = Chi-Square Tests wit ...&nbsp;×&nbsp;2 contingency tables, one for each stratum. The ''i''-th such contingency table is: ...

...t be confused with [[skewness#Quantile-based measures|Yule's coefficient]] for measuring [[skewness]] based on [[quartiles]]. For a 2×2 table for [[Binary variable|binary variables]] ''U'' and ''V'' with frequencies or pr ...

...ald Cramér]] in 1946.<ref>Cramér, Harald. 1946. ''Mathematical Methods of Statistics''. Princeton: Princeton University Press, page 282 (Chapter 21. The two-di In the case of a 2&nbsp;× 2 [[contingency table]] Cramér's V is equal to the absolute value of [[Phi coefficient]]. ...

...coefficient''' or '''Theil's U''', is a measure of nominal [[Association (statistics)|association]]. It was first introduced by [[Henri Theil]]{{citation neede | title = Performance Metrics for Group-Detection Algorithms ...

[[File:Log-DiagnosticOddsRatio.svg|thumb|log(Diagnostic Odds Ratio) for varying sensitivity and specificity]] The rationale for the diagnostic odds ratio is that it is a single indicator of test performa ...

...any metrics that can be used; different fields have different preferences. For example, in medicine [[sensitivity and specificity]] are often used, while ==Contingency table== ...

...robability measure on <math>A</math> defined by <math>\mu(B):=|B|/n</math> for <math>B\subseteq A</math>. For <math>H(X)</math> as defined above, it holds that the joint information of ...

...ric is, that a properly designed binary classifier should give the results for which all the probabilities mentioned above are close to 1. * For <math>\mathrm{P}_4 \approx 0</math> it is sufficient that one of the key fo ...

...ing|title=The total operating characteristic to measure diagnostic ability for multiple thresholds| journal=International Journal of Geographical Informat ...ROC does not reveal, i.e. the size of every entry in the contingency table for each threshold. TOC also provides the popular [[Receiver operating characte ...

{{short description|Statistical measure of association for two binary variables}} ...denoted by '''φ''' or '''r_φ''') is a [[measure of association]] for two [[binary variables]]. ...

...ositive test or a negative test]], respectively. In some cases, it is used for the probability of developing the condition of interest in the future. ...f no other characteristic is known for the individual, or it can be chosen for ease of calculation even if other characteristics are known although such o ...