instance method `average`

Ruby on Rails 7.2.3

Since v3.0.20

Compare with:

average(column_name)

Calculates the average value on a given column. Returns nil if there’s no row. See #calculate for examples with options.

Person.average(:age) # => 35.8

Parameters

Source

# File activerecord/lib/active_record/relation/calculations.rb, line 116
    def average(column_name)
      calculate(:average, column_name)
    end

Defined in activerecord/lib/active_record/relation/calculations.rb line 116 · View on GitHub · Improve this page · Find usages on GitHub