Published by Noel on 27/04/2025 You give it a series of weights (in the type of a double array), and it will simply return an index from that array according to a weighted random decide. This might be additional improved utilizing Kahan summation or studying through the doubles as an iterable if the array was too massive to initialize directly. Fetch the worth from that place within the array and you have your random roulette quantity. Then simply generate a random quantity between zero or 1 (depending on whether or not your language starts numbering array indexes from 0 or 1) and the last element in your array. First, generate an array of the percentages you assigned, let's say p[1..n]