Data commit

Task/Modified-random-distribution/Ruby/modified-random-distribution.rb

@@ -0,0 +1,17 @@
+def modifier(x)  =  (x - 0.5).abs * 2
+
+def mod_rand
+  loop do
+    random1, random2 = rand, rand
+    return random1 if random2 < modifier(random1)
+  end
+end
+
+bins = 15
+bin_size = 1.0/bins
+h = {}
+(0...bins).each{|b| h[b*bin_size] = 0}
+
+tally = 50_000.times.map{ (mod_rand).div(bin_size) * bin_size}.tally(h)
+m = tally.values.max/40
+tally.each {|k,v| puts "%f...%f  %s %d" % [k, k+bin_size, "*"*(v/m) , v] }