Multiple regression: Difference between revisions
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Line 27:
(x.t * x).inverse * x.t * y
end</lang>
Testing:
<lang ruby>regression_coefficients([1, 2, 3, 4, 5], [ [2, 1, 3, 4, 5] ])
Output:
▲regression_coefficients([1, 2, 3, 4, 5], [ [2, 1, 3, 4, 5] ]) # => Matrix[[0.981818181818182]]
<pre>Matrix[[0.981818181818182]]</pre>
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