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In statistics, a concordant pair is a pair of observations, each on two variables, (X 1,Y 1) and (X 2,Y 2), having the property that = (), where "sgn" refers to whether a number is positive, zero, or negative (its sign).
In statistics, Somers’ D, sometimes incorrectly referred to as Somer’s D, is a measure of ordinal association between two possibly dependent random variables X and Y. Somers’ D takes values between − 1 {\displaystyle -1} when all pairs of the variables disagree and 1 {\displaystyle 1} when all pairs of the variables agree.
Agreement (linguistics), a form of cross-reference between different parts of a sentence or phrase; Bible concordance, an alphabetical listing of terms in the Bible; Concordant coastline, in geology, where beds, or layers, of differing rock types form ridges that run parallel to the coast; Concordant pair, in statistics
All points in the gray area are concordant and all points in the white area are discordant with respect to point (,). With = points, there are a total of () = possible point pairs. In this example there are 395 concordant point pairs and 40 discordant point pairs, leading to a Kendall rank correlation coefficient of 0.816.
A contrast is defined as the sum of each group mean multiplied by a coefficient for each group (i.e., a signed number, c j). [10] In equation form, = ¯ + ¯ + + ¯ ¯, where L is the weighted sum of group means, the c j coefficients represent the assigned weights of the means (these must sum to 0 for orthogonal contrasts), and ¯ j represents the group means. [8]
Secured with 24 lawn spikes and cords, the giant Santa cost a whopping $3,000 to set up. 7. ‘The Battle for the North Pole’: Highlands Ranch, Colorado, U.S.
Cracker Barrel has apologized after its Waldorf, Maryland, restaurant refused to serve a group of students with special needs last week. The Lebanon, Tennessee-based restaurant chain said that its ...
The only pair that does not support the hypothesis are the two runners with ranks 5 and 6, because in this pair, the runner from Group B had the faster time. By the Kerby simple difference formula, 95% of the data support the hypothesis (19 of 20 pairs), and 5% do not support (1 of 20 pairs), so the rank correlation is r = .95 − .05 = .90.