قارن الطرق

	معامل ارتباط الرتبة كندال تاو	معامل ارتباط الرتب لسبيرمان
المجال	الإحصاء	الإحصاء
العائلة	Hypothesis test	Hypothesis test
سنة النشأة	1938	1904
صاحب الطريقة	Maurice G. Kendall	Charles Spearman
النوع	Rank-based association measure	Nonparametric rank-based correlation
المصدر التأسيسي	Kendall, M. G. (1938). A new measure of rank correlation. Biometrika, 30(1–2), 81–93.	Spearman, C. (1904). The proof and measurement of association between two things. The American Journal of Psychology, 15, 72–101.
الأسماء البديلة	Kendall's tau, Kendall tau-b, tau correlation, Kendall Tau Korelasyonu	Spearman's rho, Spearman rank-order correlation, Spearman Sıra Korelasyonu
ذات صلة	4	4
الملخص	Kendall Tau is a nonparametric rank correlation coefficient introduced by Maurice G. Kendall in 1938 to measure the strength and direction of a monotone association between two ordinal or continuous variables. It is particularly suited to small samples and datasets containing many tied ranks, where the Spearman coefficient can be less stable.	The Spearman rank correlation coefficient (ρ) is a nonparametric measure of the monotonic association between two variables. Introduced by Charles Spearman in 1904, it converts raw observations to ranks and measures how consistently one variable increases as the other increases, without assuming a normal distribution or a linear relationship.