Created
October 13, 2011 15:45
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Linear Regression in Matlab
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| function [m b] = linear_regression(X, Y) | |
| n = length(Y); | |
| EX = sum(X); | |
| EY = sum(Y); | |
| EX2 = sum(X.*X); | |
| EXY = sum(X.*Y); | |
| m = (n*EXY - EX*EY) / (n*EX2 - EX*EX); | |
| b = (EY - m*EX) / n; | |
| end |
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Working nice.
Understandable enough for anyone to use