PHP Класс 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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Открытые методы
| Метод |
Описание |
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calculate ( ) |
Calculates the regression parameters. |
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Описание методов
calculate()
публичный Метод
Calculates the regression parameters.
