127 lines
4.4 KiB
PHP
127 lines
4.4 KiB
PHP
<?php
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ini_set('display_errors', '1');
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ini_set('display_startup_errors', '1');
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error_reporting(E_ALL);
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include './assets/functions.php';
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include './settings/settings.php';
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include './settings/config.php';
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$tes= '40';
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$test_r = (isset($test))? $test : (isset($test2)? $test2 : 'none');
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echo $test_r;
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//Connect to DB
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$pdo = dbConnect($dbname);
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//GET
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$sql = 'SELECT rowID, description, equipmentid FROM history where type="Maintenance_Test" and description like "%doubletestvalues%"';
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$stmt = $pdo->prepare($sql);
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$stmt->execute();
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$messages = $stmt->fetchAll(PDO::FETCH_ASSOC);
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$watchlist_byproduct = [];
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$watchlist_bytest = [];
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$watchlist_totals = [];
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//train the model
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$total_measurement = traintotalMeasurement($messages);
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//get statics on results
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$total_results = statisticalAnalyses($total_measurement);
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//COMPARISON -- CHECK DEVIATIONS FROM STANDARD
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foreach ($total_measurement as $measurement => $values){
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foreach($total_results as $total_result => $measured_values){
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if ($measurement == $total_result){
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foreach ($values as $id => $measured_value){
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if (($measured_value <= $total_results[$total_result]['stdev-3']) && ($measured_value >= $total_results[$total_result]['stdev+3'])){
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$watchlist_byproduct[$id][] = array(
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"measurement" => $measurement,
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"value" => $measured_value,
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"deviation" => 3
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);
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$watchlist_bytest[$measurement][] = array(
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"equipmentid" => $id,
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"value" => $measured_value,
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"deviation" => 3
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);
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}
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elseif ((($measured_value <= $total_results[$total_result]['stdev-2']) && ($measured_value >= $total_results[$total_result]['stdev-3'])) || (($measured_value >= $total_results[$total_result]['stdev+2']) && ($measured_value <= $total_results[$total_result]['stdev+3']))){
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$watchlist_byproduct[$id][] = array(
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"measurement" => $measurement,
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"value" => $measured_value,
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"deviation" => 2
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);
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$watchlist_bytest[$measurement][] = array(
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"equipmentid" => $id,
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"value" => $measured_value,
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"deviation" => 2
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);
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}
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elseif ((($measured_value <= $total_results[$total_result]['stdev-1']) && ($measured_value >= $total_results[$total_result]['stdev-2'])) || (($measured_value >= $total_results[$total_result]['stdev+1']) && ($measured_value <= $total_results[$total_result]['stdev+2']))){
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/*$watchlist_byproduct[$id][] = array(
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"measurement" => $measurement,
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"value" => $measured_value,
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"deviation" => 1
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);
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$watchlist_bytest[$measurement][] = array(
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"equipmentid" => $id,
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"value" => $measured_value,
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"deviation" => 1
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);
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*/
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}
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}
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}
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}
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}
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//GET WATCHLIST SUMMARY
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foreach ($watchlist_bytest as $test => $value){
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$watchlist_totals[$test]['n_deviation'] = count($value);
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//calculate percentage
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//$watchlist_totals[$test]['percentage'] = ($watchlist_totals[$test]['n_deviation'] / $watchlist_totals[$test]['n_total'])*100;
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}
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print "<pre>";
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print_r($total_results);
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print "</pre>";
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/*MAIN STATISCAL FUNCTION
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function standDeviation($arr)
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{
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$num_of_elements = count($arr);
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$variance = 0.0;
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// Calculate mean using array_sum() method
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$average = array_sum($arr) / $num_of_elements;
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foreach($arr as $i)
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{
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// Sum of squares of differences between all numbers and means.
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$variance += pow(($i - $average), 2);
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}
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return (float)sqrt($variance / $num_of_elements);
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}
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function average($arr)
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{
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$num_of_elements = count($arr);
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$average = array_sum($arr) / $num_of_elements;
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return $average;
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}
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function calculateMedian($array) {
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if (empty($array)) {
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return null;
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} else {
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sort($array);
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$lowMiddle = $array[floor((count($array) - 1) / 2)];
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$highMiddle = $array[ceil((count($array) - 1) / 2)];
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return ($lowMiddle + $highMiddle) / 2;
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}
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}
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*/
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?>
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