public function testTwoWAyExceptionDifferentNumbersOfFactorBs()
{
$A₁ = [[106, 110], [95, 100]];
$A₂ = [[106, 110], [95, 100], [95, 100]];
$this->setExpectedException('MathPHP\\Exception\\BadDataException');
ANOVA::twoWay($A₁, $A₂);
}