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	केंडल का टाऊ रैंक सहसंबंध	स्पीयरमैन रैंक सहसंबंध गुणांक (ρ)
क्षेत्र	सांख्यिकी	सांख्यिकी
परिवार	Hypothesis test	Hypothesis test
उद्भव वर्ष	1938	1904
प्रवर्तक	Maurice G. Kendall	Charles Spearman
प्रकार	Nonparametric rank correlation	Nonparametric rank-based correlation
मौलिक स्रोत	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.
उपनाम	Kendall tau, Kendall rank correlation, tau-b, tau-c	Spearman's rho, Spearman rank-order correlation, Spearman Sıra Korelasyonu
संबंधित	4	4
सारांश	Kendall's tau is a nonparametric measure of the ordinal association between two variables. It quantifies how consistently the relative ordering of one variable matches the ordering of another across all observation pairs, making it robust to outliers and suitable for ordinal or non-normally distributed data.	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.