Calculate Mode

Find the most frequent value(s) in an array.

Code

General

const freq = arr.reduce((m, n) => m.set(n, (m.get(n) || 0) + 1), new Map());
const maxFreq = Math.max(...freq.values());
return [...freq.entries()].filter(([_, f]) => f === maxFreq).map(([n]) => n);

Parameters

arr(array)

Array of numbers

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