51 lines
1.3 KiB
PHP
51 lines
1.3 KiB
PHP
<?php
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/**
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* Piwik - free/libre analytics platform
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*/
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namespace Piwik\Plugins\Actions\Columns\Metrics;
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use Piwik\DataTable\Row;
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use Piwik\Metrics\Formatter;
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use Piwik\Piwik;
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use Piwik\Plugin\ProcessedMetric;
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/**
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* The bounce rate for individual pages. Calculated as:
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*
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* entry_bounce_count (single page visits on this page) / entry_nb_visits (all visits that started on this page)
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*
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* entry_bounce_count & entry_nb_visits are calculated by the Actions archiver.
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*/
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class BounceRate extends ProcessedMetric
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{
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public function getName()
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{
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return 'bounce_rate';
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}
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public function getTranslatedName()
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{
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return Piwik::translate('General_ColumnBounceRate');
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}
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public function compute(Row $row)
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{
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$entryBounceCount = $this->getMetric($row, 'entry_bounce_count');
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$entryVisits = $this->getMetric($row, 'entry_nb_visits');
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return Piwik::getQuotientSafe($entryBounceCount, $entryVisits, $precision = 2);
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}
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public function format($value, Formatter $formatter)
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{
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return $formatter->getPrettyPercentFromQuotient($value);
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}
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public function getDependentMetrics()
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{
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return array('entry_bounce_count', 'entry_nb_visits');
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}
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} |