?? monthly_page_traffic.php
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<?php/** * Script to measure monthly page traffic. */require_once "config.php";require_once PHPMATH . "/IT/TableEntropy.php";require_once PHPMATH . "/IT/ArrayMath.php";$e = new TableEntropy;$e->setTable("Webstats");$e->setColumn("self");?><html> <head> <title>Monthly Page Traffic Report</title> </head> <body> <i>Monthly Page Traffic Report: Hits, Pages, Entropy</i> <table border='1' cellpadding='5' cellspacing='0'> <tr bgcolor='ffffcc'> <td><b>Period</b></td><td><b>Hits</b></td> <td><b>Pages</b></td><td><b>Entropy</b></td> <td><b>MaxEnt</b></td><td><b>Ratio</b></td> </tr> <?php for($year=2004; $year<=2004; $year++) { for($month=1; $month<=12; $month++) { $start = date("Y-m-d", mktime(0,0,0,$month,1,$year)); $end = date("Y-m-d", mktime(0,0,0,$month+1,0,$year)); $clause = " received >= '$start' AND received <= '$end' "; $e->setWhere($clause); $e->getEntropy(); echo "<tr>"; echo " <td><i>$start to $end</i></td>"; echo " <td align='right'>". $e->num_events ."</td>"; echo " <td align='right'>". $e->num_tokens ."</td>"; echo " <td align='right'>". sprintf("%01.2f", $e->bits) ."</td>"; echo " <td align='right'>". sprintf("%01.2f", $e->maxent) ."</td>"; echo " <td align='right'>". sprintf("%01.2f", $e->ratio) ."</td>"; echo "</tr>"; if($e->num_events != 0) { $hits[] = $e->num_events; $pages[] = $e->num_tokens; $entropy[] = $e->bits; } if($year == date("Y")) if($month == date("m")) break(2); } } ?> </table> <?php $am = new ArrayMath; echo "correlation(hits, pages): ".$am->correlation($hits,$pages)."<br />"; echo "correlation(hits, entropy): ".$am->correlation($hits,$entropy)."<br />"; echo "correlation(pages, entropy): ".$am->correlation($pages,$entropy); ?> </body></html>?? 快捷鍵說明
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