Function sample

sample<V>(array: ArrayLike<V>, amount: number): V[]

Samples array

Type Parameters

V

Parameters

array: ArrayLike<V>
Array to sample
amount: number
Amount, given as a percentage (0..1) or the number of interval (ie 3 for every third item)

Returns V[]

Example: By percentage - get half of the items

import { Arrays } from 'https://unpkg.com/ixfx/dist/data.js';

const list = [1,2,3,4,5,6,7,8,9,10];
const sub = Arrays.sample(list, 0.5);
// Yields: [2, 4, 6, 8, 10]

Example: By steps - every third

import { Arrays } from 'https://unpkg.com/ixfx/dist/data.js';

const list = [1,2,3,4,5,6,7,8,9,10];
const sub = Arrays.sample(list, 3);
// Yields:
// [3, 6, 9]