lib/easystats.rb in easystats-0.4.0.rc1 vs lib/easystats.rb in easystats-0.4.0.rc2

@@ -37,10 +37,10 @@
   def probability_distribution
     return if empty?
 
     total = count.to_f
 
-    inject({}) { |result, item|
+    uniq.inject({}) { |result, item|
       result.update({ item => count(item) / total })
     }
   end unless method_defined? :probability_distribution
 
   def range