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39 lines
854 B
JavaScript
39 lines
854 B
JavaScript
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/**
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* Return an array with max values, where each value is the number of times
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* the remainer was that of the index. This is used to show bias in a
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* particular dividend.
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*
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* Based on code at https://github.com/dmuth/diceware/issues/7
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*/
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function demonstrateBias(max) {
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var map = new Array(max);
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for (var i = 0; i < max; i++) {
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map[i] = 0;
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}
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//
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// Go through all possible values (note that any power of 2
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// should work, instead of 256...) and increment map by one for each
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// remainder we get across that set.
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//
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for (var i = 0; i < 256; i++) {
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map[i % max]++;
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}
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//
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// All of the values in this should be equal. If not, there's bias!
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//
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return map;
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} // End of demonstrateBias()
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//console.log(demonstrateBias(4));
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//console.log(demonstrateBias(5));
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//console.log(demonstrateBias(6));
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//console.log(demonstrateBias(8));
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