관리-도구

편집 파일: stats_dens_logistic.phpt

--TEST-- stats_dens_logistic() --FILE-- <?php // check for each x foreach (range(-2, 2, 0.5) as $x) { var_dump(round(stats_dens_logistic($x, 2, 3), 6)); } // check for each ave foreach (range(-2, 2, 0.5) as $ave) { var_dump(round(stats_dens_logistic(1, $ave, 3), 6)); } // check for each stdev foreach (range(0.5, 2, 0.5) as $stdev) { var_dump(round(stats_dens_logistic(1, 2, $stdev), 6)); } // error cases var_dump(stats_dens_logistic(1, 2, 0)); // stdev == 0 ?> --EXPECTF-- float(0.05503) float(0.060357) float(0.065537) float(0.070389) float(0.074719) float(0.078335) float(0.081061) float(0.082757) float(0.083333) float(0.065537) float(0.070389) float(0.074719) float(0.078335) float(0.081061) float(0.082757) float(0.083333) float(0.082757) float(0.081061) float(0.209987) float(0.196612) float(0.149438) float(0.117502) Warning: stats_dens_logistic(): stdev is 0.0 in %s on line %d bool(false)