non-parametric method
type: Concept
preferred label: روش ناپارامتری @fa
related: rank correlation coefficient

rank correlation coefficient
type: Concept
broader: correlation coefficient
preferred label: ضریب همبستگی رتبه‌ای @fa
related: copula function
related: non-parametric method

correlation coefficient
type: Concept
narrower: rank correlation coefficient
preferred label: ضریب همبستگی @fa

copula function
type: Concept
preferred label: تابع مفصل @fa
related: rank correlation coefficient