Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
en:pojmy:din [2019/09/27 10:08] – [DIN] vaclavcvrcek | en:pojmy:din [2019/09/27 10:16] – [DIN] vaclavcvrcek | ||
---|---|---|---|
Line 3: | Line 3: | ||
DIN (Difference index) is a so called effect-size metric, i.e. measure designed((see Fidler, M. - Cvrček, V.: {{: | DIN (Difference index) is a so called effect-size metric, i.e. measure designed((see Fidler, M. - Cvrček, V.: {{: | ||
+ | ===== Significance and relevance ===== | ||
+ | |||
+ | When comparing values (e.g. frequencies of words) we should be interested not only in the statistical significance but also whether the difference under consideration is actualy relevant for the description. Statistical significance can be obtained by several tests (e.g. chi2 test, Fisher' | ||
+ | |||
+ | Even if the difference is signifiacnt it does not necesarily entails that it is relevant for the description. Even a small difference can be significant when there is a lot of results available. That is why the statistical significance information is often combined with the effect-size. | ||
===== How it works ===== | ===== How it works ===== | ||