Articles
Ordinal Statistics: Mastering Somers’ D for Psychology
Somers’ D: Asymmetric Measure of Association The Core Definition of Somers’ D Somers’ D is...
# ordinal variables
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Articles
Kendall’s Tau: Mastering Correlation in Psychological Data
Introduction to Kendall’s Tau Kendall’s Tau, often simply denoted as Tau ($tau$), is a fundamental...
Articles
Polychoric Correlation: Unlocking Hidden Mental Traits
Introduction and Definition of Polychoric Correlation The concept of polychoric correlation stands as a specialized...