Five-Number Summary and Box Plot

Install and import#

bash

npm install fintech-algorithms

import { fiveNumberSummaryAndBoxPlot } from "fintech-algorithms/financial-mathematics-statistics-and-data-foundations/location-ranking-and-exploratory-summaries/five-number-summary-and-box-plot";

Signature#

fiveNumberSummaryAndBoxPlot(input)

Worked example#

verified This is the worked example published in the article, replayed by the test suite on every run. The output cannot drift.

Input#

input

{
  "values": [1, 2, 2, 4, 9],
  "weights": [1, 1, 2, 1, 1],
  "trimProportion": 0.2,
  "bins": 4
}

Call#

fiveNumberSummaryAndBoxPlot(input)

Returns#

object with 2 fields: fiveNumberSummary, fences

{
  "fiveNumberSummary": [1, 2, 2, 4, 9],
  "fences": [-1, 7]
}

Diagrams#

How it works#

This page states the contract — how to call it correctly. The article explains the concept: why it works, and where it breaks.

Read the article →

References#

Box Plot
Percentile Definitions
Historical-example decision