Fatal error: Uncaught Error: Call to undefined function lgamma() in /home/u294241901/domains/codingace.net/public_html/statistics/t_distribution_cdf_value.php:7 Stack trace: #0 /home/u294241901/domains/codingace.net/public_html/statistics/t_distribution_cdf_value.php(37): t_pdf(0, 10) #1 /home/u294241901/domains/codingace.net/public_html/statistics/t_distribution_cdf_value.php(50): integrate_pdf_0_to(1.5, 10, 1.0E-8) #2 /home/u294241901/domains/codingace.net/public_html/statistics/t_distribution_cdf_value.php(85): t_cdf(1.5, 10, 1.0E-8) #3 {main} thrown in /home/u294241901/domains/codingace.net/public_html/statistics/t_distribution_cdf_value.php on line 7