npm package discovery and stats viewer.

Discover Tips

  • General search

    [free text search, go nuts!]

  • Package details

    pkg:[package-name]

  • User packages

    @[username]

Sponsor

Optimize Toolset

I’ve always been into building performant and accessible sites, but lately I’ve been taking it extremely seriously. So much so that I’ve been building a tool to help me optimize and monitor the sites that I build to make sure that I’m making an attempt to offer the best experience to those who visit them. If you’re into performant, accessible and SEO friendly sites, you might like it too! You can check it out at Optimize Toolset.

About

Hi, 👋, I’m Ryan Hefner  and I built this site for me, and you! The goal of this site was to provide an easy way for me to check the stats on my npm packages, both for prioritizing issues and updates, and to give me a little kick in the pants to keep up on stuff.

As I was building it, I realized that I was actually using the tool to build the tool, and figured I might as well put this out there and hopefully others will find it to be a fast and useful way to search and browse npm packages as I have.

If you’re interested in other things I’m working on, follow me on Twitter or check out the open source projects I’ve been publishing on GitHub.

I am also working on a Twitter bot for this site to tweet the most popular, newest, random packages from npm. Please follow that account now and it will start sending out packages soon–ish.

Open Software & Tools

This site wouldn’t be possible without the immense generosity and tireless efforts from the people who make contributions to the world and share their work via open source initiatives. Thank you 🙏

© 2024 – Pkg Stats / Ryan Hefner

@quentinroy/latin-square

v1.1.1

Published

Latin square and balanced latin square generator

Downloads

91

Readme

Latin Square

This is a simple implementation of a Latin Square in JavaScript with Typescript types, that supports both "classic" latin squares and balanced latin squares.

Balanced latin squares are latin squares that protect against carryover effects, but are double the size when the number of treatments is an odd number.

Installation

npm install latin-square

Usage

import latinSquare from "@quentinroy/latin-square";

// Create a balanced latin square with 4 treatments. Latin squares with an
// even number of treatments are always balanced.
const evenLatinSquare = latinSquare(["A", "B", "C", "D"]);
// [
//   [ 'A', 'B', 'D', 'C' ],
//   [ 'B', 'C', 'A', 'D' ],
//   [ 'C', 'D', 'B', 'A' ],
//   [ 'D', 'A', 'C', 'B' ]
// ]

// Creates an unbalanced latin square with 5 treatments.
const oddLatinSquare = latinSquare(["A", "B", "C", "D", "E"]);
// [
//   [ 'A', 'B', 'E', 'C', 'D' ],
//   [ 'B', 'C', 'A', 'D', 'E' ],
//   [ 'C', 'D', 'B', 'E', 'A' ],
//   [ 'D', 'E', 'C', 'A', 'B' ],
//   [ 'E', 'A', 'D', 'B', 'C' ]
// ]

// Creates a balanced latin square with 5 treatments.
const oddBalancedLatinSquare = latinSquare(["A", "B", "C", "D", "E"], true);
// [
//   [ 'A', 'B', 'E', 'C', 'D' ],
//   [ 'B', 'C', 'A', 'D', 'E' ],
//   [ 'C', 'D', 'B', 'E', 'A' ],
//   [ 'D', 'E', 'C', 'A', 'B' ],
//   [ 'E', 'A', 'D', 'B', 'C' ],
//   [ 'D', 'C', 'E', 'B', 'A' ],
//   [ 'E', 'D', 'A', 'C', 'B' ],
//   [ 'A', 'E', 'B', 'D', 'C' ],
//   [ 'B', 'A', 'C', 'E', 'D' ],
//   [ 'C', 'B', 'D', 'A', 'E' ]
// ]

// Creates a balanced latin square of size 4.
const latinSquareBySize = latinSquare(4);
// [ [ 0, 1, 3, 2 ], [ 1, 2, 0, 3 ], [ 2, 3, 1, 0 ], [ 3, 0, 2, 1 ] ]

Compile

npm run build

Test

The source code must be compiled for the tests to be able to run.

npm run test

To get test update on code change, both compile and run the test in watch mode:

npm run build -- --watch

and

npm run test -- --watch