method
average
average(column_name, options = {})
public
Calculates the average value on a given column. The value is returned as a float. See #calculate for examples with options.
Person.average('age')
average(column_name, options = {})
public
Calculates the average value on a given column. The value is returned as a float. See #calculate for examples with options.
Person.average('age')