MathPHP\Statistics\ANOVATest::testTwoWayThreeAs PHP Method

    public function testTwoWayThreeAs(array $A₁, array $A₂, array $A₃, array $expected)
    {
        $anova = ANOVA::twoWay($A₁, $A₂, $A₃);
        $this->assertEquals($expected, $anova['ANOVA'], '', 0.001);
    }