lib/easystats.rb in easystats-0.0.6 vs lib/easystats.rb in easystats-0.0.7

@@ -1,6 +1,7 @@
   class Array
+
     # take in an array of numbers and calculate the sum
     def sum
       data = self
       sum_of_numbers = 0
 
@@ -25,9 +26,10 @@
         self.sum / data.count.to_f
       else
         0
       end
     end
+    alias_method :average, :mean
 
     # this is an internat function (technically the developer can use it but should have no need)
     # this function returns the sum of each squared difference of mean
     def sum_of_deviations_squared
       data = self