PlayFair

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Install

Via Composer

$ composer require teamtnt/playfair

Usage

Linear Regression

In simple linear regression, we predict scores on one variable from the scores on a second variable. The variable we are predicting is called the criterion variable and is referred to as Y. The variable we are basing our predictions on is called the predictor variable and is referred to as X.

use TeamTNT\PlayFair\Math\Statistics\LinearRegression;

$x = [1,2,3,4,5];
$y = [1,2,1.3,3.75,2.25];

$lr = new LinearRegression;
$rez = $lr->calculate($x, $y);

$slope = $rez[0];
$intercept = $rez[1];

Testing

$ phpunit

Contributing

Please see CONTRIBUTING for details.

License

The MIT License (MIT). Please see License File for more information.