Sha256: 4f2cbf9172270a1d36a451ab8ad331d9dc50cb33eade7bc24f50b8f556fd97b3
Contents?: true
Size: 485 Bytes
Versions: 6
Compression:
Stored size: 485 Bytes
Contents
class Array
# In Statistics mode is the value that occurs most frequently
# in a given set of data. This method returns an array in case
# their is a tie.
#
# [:a, :b, :c, :b, :d].mode #=> [:b]
# [:a, :b, :c, :b, :a].mode #=> [:a, :b]
#
# Returns an Array of most common elements.
#
# CREDIT: Robert Klemme
def mode
max = 0
c = Hash.new 0
each {|x| cc = c[x] += 1; max = cc if cc > max}
c.select {|k,v| v == max}.map {|k,v| k}
end
end
Version data entries
6 entries across 5 versions & 1 rubygems