/** * @dataProvider dataProviderForCDF */ public function testCDF($z, $cdf) { $μ = 0; $σ = 1; $this->assertEquals($cdf, StandardNormal::CDF($z), '', 0.0001); $this->assertEquals(Normal::CDF($z, $μ, $σ), StandardNormal::CDF($z)); }
/** * @dataProvider dataProviderForCDF */ public function testCDF($x, $μ, $σ, $probability) { $this->assertEquals($probability, Normal::CDF($x, $μ, $σ), '', 0.001); }