public function dataProviderForPDF() { return [[4.3, 6, 2, 0.003522012], [4.3, 6, 1, 3.083E-6], [4.3, 1, 1, 0.083515969], [1, 6, 2, 0.002215924], [2, 6, 2, 0.002951125], [2, 3, 2, 0.051281299]]; }