What's the average price of robots?
$average = Robots::average(array('column' => 'price'));
echo "The average price is ", $average, "\n";
What's the average price of mechanical robots?
$average = Robots::average(array("type='mechanical'", 'column' => 'price'));
echo "The average price of mechanical robots is ", $average, "\n";
public static function average($column, $parameters = null, $cacheOptions = null)
{
return (double) self::_groupResult('AVG', 'average', $column, $parameters, $cacheOptions);
}