Sha256: c1f892e47d024b5c42912e2ec476149ee4b3d39f6a2ac3f653773957662e312e
Contents?: true
Size: 364 Bytes
Versions: 18
Compression:
Stored size: 364 Bytes
Contents
module PassiveRecord
module ArithmeticHelpers
def pluck(attr)
all.map(&attr)
end
def sum(attr)
pluck(attr).inject(&:+)
end
def average(attr)
sum(attr) / count
end
def mode(attr)
arr = pluck(attr)
freq = arr.inject(Hash.new(0)) { |h,v| h[v] += 1; h }
arr.max_by { |v| freq[v] }
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems