ts-prime/src/stats.test.ts

A utility library for JavaScript and Typescript.

import { pipe } from './pipe';
import { stats } from './stats';
test('calculate stats', () => {
  expect(stats([1, 2, 3, 4, 5], q => q)).toEqual({
    arithmetic_mean: 3,
    geometric_mean: 24,
    max: 5,
    median: 3,
    middle: 3,
    min: 1,
    quadratic_mean: 7.416198487095663,
    sum: 15,
  });

  expect(
    pipe(
      [0, 0, 1, 2, 3, 4, 5],
      stats(q => q)
    )
  ).toEqual({
    arithmetic_mean: 2.142857142857143,
    geometric_mean: 17.142857142857142,
    max: 5,
    median: 2,
    middle: 2.5,
    min: 0,
    quadratic_mean: 7.416198487095663,
    sum: 15,
  });
});