name : AverageMetric.php <?php namespace Statamic\Forms\Metrics; class AverageMetric extends AbstractMetric { public function result() { if (! $field = $this->get('field')) { throw new \Exception('Cannot get average metric without specifying a field.'); } $value = $this->submissions()->avg(function ($submission) use ($field) { return $submission->get($field); }); return number_format($value, $this->get('precision', 2)); } }