simple-statistics

A lightweight JavaScript library for statistical analysis in browsers and Node.js.

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is simple-statistics?

Simple-Statistics is a JavaScript implementation of descriptive, regression, and inference statistics designed to work across all modern browsers and Node.js environments. It's ideal for developers who need to perform statistical calculations without the overhead of larger libraries or dependencies.

Key differentiator

Simple-Statistics stands out as a lightweight, dependency-free solution for performing basic statistical analyses in both browser and Node.js environments, making it ideal for developers who need simplicity without sacrificing functionality.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Lightweight and dependency-free implementation of statistical methods.medium

Works seamlessly across all modern browsers including Internet Explorer.medium

Designed for both client-side web applications and Node.js environments.medium

↓ Weaknesses

Limited advanced statistical methodshigh

Simple-Statistics lacks support for more complex statistical techniques such as multivariate analysis, time series forecasting, and machine learning algorithms.

Small community and slow development pacemedium

The GitHub repository has limited contributions and infrequent updates compared to other popular JavaScript libraries.

Documentation is not exhaustivehigh

While the documentation covers basic usage, it lacks detailed examples for complex scenarios and advanced use cases.

Performance may be suboptimal for large datasetsmedium

Simple-Statistics is not optimized for handling very large data sets or high-performance requirements typical in big data applications.

Fit analysis

Who is it for?

✓ Best for

Web developers who need to perform simple statistical analyses directly in the browser without additional dependencies.

Node.js developers looking for a lightweight library to handle basic statistical calculations.

✕ Not a fit for

Complex data analysis tasks that require advanced statistical methods or large datasets.

Projects requiring real-time processing of streaming data with high throughput.

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with simple-statistics

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →