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Mattias Villani
Professor of Statistics at Stockholm University
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SDA1
Edited
Aug 13, 2023
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import {range, sorted, permutations} from '@jrus/itertools'
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combinations = function* combinations(iterable, r) {
const pool = [...iterable], n = pool.length;
for (let indices of permutations(range(n), r))
if (sorted(indices).join() == indices.join())
yield indices.map(i => pool[i]); }
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