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Data science tools

scikit-learn

A widely used Python toolkit for teaching computers to spot patterns and make predictions from data.

Widely used

What it does

scikit-learn is a code library for machine learning, the branch of AI where computers learn patterns from examples instead of following fixed rules. It covers everyday tasks such as sorting items into groups, predicting numbers and finding unusual data.

It has been developed since 2007 by a community of volunteers, with support from several organisations. Many data science courses and projects use it.

It is meant to be used from Python code, often alongside other data tools.

Who it's for

Data scientists, students, researchers and programmers working with data.

Can I use it without coding?

Developers only. A Python library that you use by writing code. New to this? Start here.

Can I run it?

Cost
FreeNothing to pay or sign up for.
Privacy
Runs on your own device: your data stays with you
API key
Not needed

Try it

Using Claude Code, Cursor or another AI coding assistant? Paste the prompt and it will walk you through the setup.New to this?

Before you install

  • Only download from the official GitHub page. Copies with similar names exist for many popular projects.
  • License (BSD-3-Clause): Permissive: free to use, change and share, including for business.
  • More on staying safe

Where people are talking about it