Add #frequencies, #frequency_groups and #frequency_counts

pangloss · Oct 17, 2012 · bd11064 · bd11064
1 parent 0f9017a
commit bd11064
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/lib/pacer/route/mixin/route_operations.rb b/lib/pacer/route/mixin/route_operations.rb
@@ -39,6 +39,19 @@ def group_count(*props)
       end
       result
     end
+    alias frequencies group_count
+
+    def frequency_groups(*props)
+      result = Hash.new { |h, k| h[k] = [] }
+      group_count(*props).each { |k, v| result[v] << k }
+      result
+    end
+
+    def frequency_counts(*props)
+      result = Hash.new 0
+      group_count(*props).each { |k, v| result[v] += 1 }
+      result
+    end
 
     def most_frequent(range = 0, include_counts = false)
       if include_counts