Sha256: 6e13870852c5aca1f01a5f31d68f3e822ebc090e0d06f15dd99765cfc78973c9
Contents?: true
Size: 309 Bytes
Versions: 4
Compression:
Stored size: 309 Bytes
Contents
module Enumerable
# Generates a hash mapping each unique symbol in the array
# to the absolute frequency it appears.
#
# CREDIT: Brian Schröder
def frequency
#probs = Hash.new(0)
#each do |e|
# probs[e] += 1
#end
#probs
inject(Hash.new(0)){|h,v| h[v]+=1; h}
end
end
Version data entries
4 entries across 4 versions & 2 rubygems