September 2017 Update

Task/Averages-Mode/OoRexx/averages-mode.rexx

@@ -0,0 +1,32 @@
+-- will work with just about any collection...
+call testMode .array~of(10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
+call testMode .list~of(10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 0, 0, 0, .11)
+call testMode .queue~of(30, 10, 20, 30, 40, 50, -100, 4.7, -11e2)
+
+::routine testMode
+  use arg list
+  say "list =" list~makearray~toString("l", ", ")
+  say "mode =" mode(list)
+  say
+
+::routine mode
+  use arg list
+
+  -- this is a good application for a bag
+  -- add all of the items to the bag
+  collector = .bag~new
+  collector~putAll(list)
+  -- now get a list of unique items
+  indexes = .set~new~~putall(collector)
+  count = 0    -- this is used to keep track of the maximums
+  -- now see how many of each element we ended up with
+  loop index over indexes
+      items = collector~allat(index)
+      newCount = items~items
+      if newCount > count then do
+          mode = items[1]
+          count = newCount
+      end
+  end
+
+  return mode