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/ simple-linear-regression.rb
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April 20, 2018 18:47
— forked from rweald/simple-linear-regression.rb
Simple Linear Regression in Ruby
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| class SimpleLinearRegression | |
| def initialize(xs, ys) | |
| @xs, @ys = xs, ys | |
| if @xs.length != @ys.length | |
| raise "Unbalanced data. xs need to be same length as ys" | |
| end | |
| end | |
| def y_intercept | |
| mean(@ys) - (slope * mean(@xs)) |