Unbias a random generator: Difference between revisions

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@@ Line 221: / Line 221: @@
 =={{header|CoffeeScript}}==
-{{incomplete|CoffeeScript|range of N is 3..6 not 5..9}}
 <lang coffeescript>
 biased_rand_function = (n) ->
@@ Line 246: / Line 245: @@
   console.log "ratio of 1s: #{cnt / sample_size} [#{label}]"
-for n in [5..9]
+for n in [3..6]
   console.log "\n---------- n = #{n}"
   f_biased = biased_rand_function(n)
@@ Line 256: / Line 255: @@
 <lang>
 > coffee unbiased.coffee
+---------- n = 3
+ratio of 1s: 0.3333343 [biased]
+ratio of 1s: 0.4999514 [unbiased]
+---------- n = 4
+ratio of 1s: 0.2499751 [biased]
+ratio of 1s: 0.4998067 [unbiased]
 ---------- n = 5
-ratio of 1s: 0.1999817 [biased]
+ratio of 1s: 0.199729 [biased]
-ratio of 1s: 0.4998929 [unbiased]
+ratio of 1s: 0.5003183 [unbiased]
 ---------- n = 6
-ratio of 1s: 0.1666272 [biased]
+ratio of 1s: 0.1664843 [biased]
-ratio of 1s: 0.4999431 [unbiased]
+ratio of 1s: 0.4997813 [unbiased]
----------- n = 7
-ratio of 1s: 0.1429804 [biased]
-ratio of 1s: 0.5000402 [unbiased]
----------- n = 8
-ratio of 1s: 0.1249847 [biased]
-ratio of 1s: 0.500279 [unbiased]
----------- n = 9
-ratio of 1s: 0.1110524 [biased]
-ratio of 1s: 0.4999337 [unbiased]
 </lang>