How to use pts_math class

Best Phoronix-test-suite code snippet using pts_math

pts_math.php

Source: pts_math.php Github

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...14 GNU General Public License for more details.15 You should have received a copy of the GNU General Public License16 along with this program. If not, see <http:/​/​www.gnu.org/​licenses/​>.17*/​18class pts_math19{20 public static function values_outside_three_sigma_limits($values)21 {22 $tsl = pts_math::three_sigma_limits($values);23 $outside_limits = array();24 foreach($values as $num)25 {26 if($num < $tsl[0] || $num > $tsl[1])27 {28 $outside_limits[] = $num;29 }30 }31 return empty($outside_limits) ? false : $outside_limits;32 }33 public static function three_sigma_limits($values, $p = 2)34 {35 $avg = pts_math::arithmetic_mean($values);36 $variance = pts_math::variance($values, $avg);37 $std_dev = sqrt($variance);38 $std_dev_3x = $std_dev * 3;39 return array(round($avg - $std_dev_3x, $p), round($avg + $std_dev_3x, $p));40 }41 public static function variance($values, $avg)42 {43 return array_sum(array_map(function($v) use ($avg) { return pow($v - $avg, 2); }, $values)) /​ count($values);44 }45 public static function arithmetic_mean($values)46 {47 return array_sum($values) /​ count($values);48 }49 public static function geometric_mean($values)50 {51 /​/​ simple code hits INF issue on large arrays52 /​/​return pow(array_product($values), (1 /​ count($values)));53 $power = 1 /​ count($values);54 $chunk_r = array();55 foreach(array_chunk($values, 8) as $chunk)56 {57 $chunk_r[] = pow(array_product($chunk), $power);58 }59 return array_product($chunk_r);60 }61 public static function harmonic_mean($values)62 {63 /​/​ useful for rates /​ all same result types64 $sum = 0;65 foreach($values as $v)66 {67 $sum += 1 /​ $v;68 }69 return (1 /​ $sum) * count($values);70 }71 public static function standard_error($values)72 {73 self::clean_numeric_array($values);74 return empty($values) ? 0 : (self::standard_deviation($values) /​ sqrt(count($values)));75 }76 public static function remove_outliers($values, $mag = 2)77 {78 $ret = array();79 $mean = pts_math::arithmetic_mean($values);80 $std_dev = self::standard_deviation($values);81 $outlier = $mag * $std_dev;82 foreach($values as $i)83 {84 if(is_numeric($i) && abs($i - $mean) < $outlier)85 {86 $ret[] = $i;87 }88 }89 return $ret;90 }91 public static function standard_deviation($values)92 {93 self::clean_numeric_array($values);94 $count = count($values);95 if($count < 2)96 {97 return 0;98 }99 $total = array_sum($values);100 $mean = $total /​ $count;101 $standard_sum = 0;102 foreach($values as $value)103 {104 $standard_sum += pow(($value - $mean), 2);105 }106 return sqrt($standard_sum /​ ($count - 1));107 }108 public static function percent_standard_deviation($values)109 {110 if(count($values) == 0)111 {112 /​/​ No values113 return 0;114 }115 $standard_deviation = pts_math::standard_deviation($values);116 $average_value = pts_math::arithmetic_mean($values);117 return $average_value != 0 ? ($standard_deviation /​ $average_value * 100) : 0;118 }119 public static function get_precision($number)120 {121 /​/​ number of decimal digits122 if(is_array($number))123 {124 $max_precision = 0;125 foreach($number as $n)126 {127 $max_precision = max($max_precision, pts_math::get_precision($n));128 }129 return $max_precision;130 }131 else132 {133 return strlen(substr(strrchr($number, '.'), 1));134 }135 }136 public static function set_precision($number, $precision = 2)137 {138 /​/​ This is better than using round() with precision because of the $precision is > than the current value, 0s will not be appended139 return number_format($number, $precision, '.', '');140 }141 public static function find_percentile($values, $quartile)...

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pts_math

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1$pts_math = new pts_math();2$pts_math->add_to_log(1);3$pts_math->add_to_log(2);4$pts_math->add_to_log(3);5$pts_math->add_to_log(4);6$pts_math->add_to_log(5);7$pts_math->add_to_log(6);8$pts_math->add_to_log(7);9$pts_math->add_to_log(8);10$pts_math->add_to_log(9);11$pts_math->add_to_log(10);12echo $pts_math->get_log_mean() . "13";14echo $pts_math->get_log_median() . "15";16echo $pts_math->get_log_standard_deviation() . "17";

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pts_math

Using AI Code Generation

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1require_once('pts_math.php');2echo pts_math::set_precision(2);3echo pts_math::set_precision(4);4echo pts_math::set_precision(6);5echo pts_math::set_precision(8);6echo pts_math::set_precision(10);7echo pts_math::set_precision(12);8echo pts_math::set_precision(14);9echo pts_math::set_precision(16);10echo pts_math::set_precision(18);11echo pts_math::set_precision(20);12echo pts_math::set_precision(22);13echo pts_math::set_precision(24);14echo pts_math::set_precision(26);15echo pts_math::set_precision(28);16echo pts_math::set_precision(30);17echo pts_math::set_precision(32);18echo pts_math::set_precision(34);19echo pts_math::set_precision(36);20echo pts_math::set_precision(38);21echo pts_math::set_precision(40);22echo pts_math::set_precision(42);23echo pts_math::set_precision(44);24echo pts_math::set_precision(46);25echo pts_math::set_precision(48);26echo pts_math::set_precision(50);27echo pts_math::set_precision(52);28echo pts_math::set_precision(54);29echo pts_math::set_precision(56);30echo pts_math::set_precision(58);31echo pts_math::set_precision(60);32echo pts_math::set_precision(62);33echo pts_math::set_precision(64);34echo pts_math::set_precision(66);35echo pts_math::set_precision(68);36echo pts_math::set_precision(70);37echo pts_math::set_precision(72);38echo pts_math::set_precision(74);39echo pts_math::set_precision(76);40echo pts_math::set_precision(78);41echo pts_math::set_precision(80);42echo pts_math::set_precision(82);43echo pts_math::set_precision(84);44echo pts_math::set_precision(86);45echo pts_math::set_precision(88);46echo pts_math::set_precision(90);47echo pts_math::set_precision(92);48echo pts_math::set_precision(94);49echo pts_math::set_precision(96);50echo pts_math::set_precision(98);51echo pts_math::set_precision(100);52echo pts_math::set_precision(102);53echo pts_math::set_precision(104);54echo pts_math::set_precision(106);55echo pts_math::set_precision(108);

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pts_math

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1require_once('pts_math.php');2require_once('pts_math.php');3require_once('pts_math.php');4require_once('pts_math.php');5require_once('pts_math.php');6require_once('pts_math.php');7require_once('pts_math.php');8require_once('pts_math.php');9require_once('pts_math.php');10require_once('pts_math.php');11require_once('pts_math.php');12require_once('pts_math.php');13require_once('pts_math.php');14require_once('pts_math.php');

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pts_math

Using AI Code Generation

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1require_once('pts_math.php');2$math = new pts_math();3$math->set_precision(10);4echo $math->add(1,2);5echo $math->subtract(2,1);6echo $math->multiply(2,2);7echo $math->divide(4,2);8echo $math->mod(4,2);9echo $math->power(2,2);10echo $math->sqrt(4);11echo $math->log(4);12echo $math->log10(4);13echo $math->ln(4);14echo $math->abs(4);15echo $math->cos(4);16echo $math->sin(4);17echo $math->tan(4);18echo $math->cot(4);19echo $math->sec(4);20echo $math->csc(4);21echo $math->acos(4);22echo $math->asin(4);23echo $math->atan(4);24echo $math->acot(4);25echo $math->asec(4);26echo $math->acsc(4);27echo $math->cosh(4);28echo $math->sinh(4);29echo $math->tanh(4);30echo $math->coth(4);31echo $math->sech(4);32echo $math->csch(4);33echo $math->acosh(4);34echo $math->asinh(4);35echo $math->atanh(4);36echo $math->acoth(4);37echo $math->asech(4);38echo $math->acsch(

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pts_math

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1$array = array(1,2,3,4,5);2$mean = pts_math::arithmetic_mean($array);3echo $mean;4$array = array(1,2,3,4,5);5$median = pts_math::median($array);6echo $median;7$array = array(1,2,3,4,5);8$standard_deviation = pts_math::standard_deviation($array);9echo $standard_deviation;10$array = array(1,2,3,4,5);11$variance = pts_math::variance($array);12echo $variance;13$array = array(1,2,3,4,5);14$geometric_mean = pts_math::geometric_mean($array);15echo $geometric_mean;16$array = array(1,2,3,4,5);17$harmonic_mean = pts_math::harmonic_mean($array);18echo $harmonic_mean;19$array = array(1,2,3,4,5);20$mode = pts_math::mode($array);21echo $mode;

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