pipirima / trend-line-calculator
Calculation of trend line parameters for a given set of chart points
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pkg:composer/pipirima/trend-line-calculator
Requires
- php: >=7.4
Requires (Dev)
README
Calculation of trend line parameters for a given set of chart points.
Usage
use Pipirima\TrendLine\Calculator; // ... // create points $points = [ [1, 2], [2, 3], [3, 6], [4, 8], [5, 10], [6, 12], ]; // calculate trend line $calculator = new Calculator(); $line = $calculator->calculateLine($points); // check its coefficients $this->assertLessThan(0.0001, abs(2.0857 - $line[0])); $this->assertLessThan(0.0001, abs(-0.46667 - $line[1]));