Joshua Burkholder

Mathematics and Computer Science

Online Covariance

By Joshua Burkholder October 26, 2013 Mathematics 3 Comments

Given the following set of two-dimensional inputs: {(x1,y1),(x2,y2),…,(xn−1,yn−1),(xn,yn)} Let n be the number of two-dimensional inputs, X represent the x…

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Online Variance

By Joshua Burkholder October 20, 2013 Mathematics 1 Comment

Let n be the number of values, vn be the biased sample variance of the first n values, vn−1 be…

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