Function: to prepare the calculation of correlation coefficient piano development language: ruby call: correlate (x, y) which, x, y for the need to calculate correlation vector call example: a = [3, 6, 9, 12, 15, 18, 21] b = [1.1, 2.1, 3.4, 4.8, 5.6] c = [1.9, 1.0, 3.9, 3.1, 6.9] c1 = correlate (a, a)# 1.0c2 = correlate (a, a.reverse )#-1.0c3 = correlate (b, c)# 0.8221970228puts c1#, c2, c3

correlate.rb

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