Sha256: 2025a8ba2dd875fd87bc319a0ecb01b30c68e2d4e66ff5b32fc89c51edc5c7ff
Contents?: true
Size: 694 Bytes
Versions: 32
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Stored size: 694 Bytes
Contents
require 'forwardable'
module MetricFu
class Ranking
extend Forwardable
def initialize
@items_to_score = {}
end
def top(num=nil)
if(num.is_a?(Numeric))
sorted_items[0,num]
else
sorted_items
end
end
def percentile(item)
index = sorted_items.index(item)
worse_item_count = (length - (index+1))
worse_item_count.to_f/length
end
def_delegator :@items_to_score, :has_key?, :scored?
def_delegators :@items_to_score, :[], :[]=, :length, :each, :delete
private
def sorted_items
@sorted_items ||= @items_to_score.sort_by {|item, score| -score}.map {|item, score| item}
end
end
end
Version data entries
32 entries across 32 versions & 4 rubygems