What is a model in the mathematical sense
Function as the basis of the model
Predicting the price of an apartment based on its area using a linear function: $ŷ = w x + b$
Example of use
<?php
require_once __DIR__ . '/code.php';
$model = new LinearModel(2.0, 0.0);
echo $model->predict(3.0);
Result:
Memory: 0.002 Mb
Time running: 0.001 sec.
6
Explanation: $2 * 3 + 0 = 6$
By formula: $ŷ = 2 x + b$