PHP 클래스 MathPHP\Statistics\Regression\Linear
A model with a single explanatory variable.
Fits a straight line through the set of n points in such a way that makes
the sum of squared residuals of the model (that is, vertical distances
between the points of the data set and the fitted line) as small as possible.
https://en.wikipedia.org/wiki/Simple_linear_regression
Having data points {(xᵢ, yᵢ), i = 1 ..., n }
Find the equation y = mx + b
_ _ __
x y - xy
m = _________
_ __
(x)² - x²
_ _
b = y - mx
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프로젝트 열기: markrogoyski/math-php
공개 메소드들
| 메소드 |
설명 |
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calculate ( ) |
Calculates the regression parameters. |
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메소드 상세
Calculates the regression parameters.
