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cellxgene/client/__tests__/util/quantile.test.js
Bruce Martin eaae6df5e3 TS Revert (1) (#2402)
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Co-authored-by: maniarathi <mani.arathi@gmail.com>
Co-authored-by: Madison Dunitz <madison.dunitz@chanzuckerberg.com>

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Co-authored-by: Severiano Badajoz <sbadajoz@chanzuckerberg.com>
Co-authored-by: maniarathi <mani.arathi@gmail.com>
Co-authored-by: Madison Dunitz <madison.dunitz@chanzuckerberg.com>
2021-08-23 15:01:36 -07:00

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JavaScript

import quantile from "../../src/util/quantile";
describe("quantile", () => {
test("single q", () => {
const arr = new Float32Array([9, 3, 5, 6, 0]);
expect(quantile([1.0], arr)).toMatchObject([9]);
expect(quantile([0.9], arr)).toMatchObject([9]);
expect(quantile([0.8], arr)).toMatchObject([9]);
expect(quantile([0.7], arr)).toMatchObject([6]);
expect(quantile([0.6], arr)).toMatchObject([6]);
expect(quantile([0.5], arr)).toMatchObject([5]);
expect(quantile([0.4], arr)).toMatchObject([5]);
expect(quantile([0.3], arr)).toMatchObject([3]);
expect(quantile([0.2], arr)).toMatchObject([3]);
expect(quantile([0.1], arr)).toMatchObject([0]);
expect(quantile([0], arr)).toMatchObject([0]);
});
test("multi q", () => {
const arr = new Float32Array([9, 3, 5, 6, 0]);
expect(quantile([0, 0.25, 0.5, 0.75, 1.0], arr)).toMatchObject([
0, 3, 5, 6, 9,
]);
});
});