AI engineering glossary · Statistics inference

What is bootstrap?

Bootstrap: A resampling method that builds many new datasets by drawing observations from the original sample with replacement, recomputing the statistic each time. The spread of those recomputed values approximates the statistic's uncertainty.

Level: intermediateTopic: Statistics inference

Bootstrap: an example

Resample 500 order values 2,000 times with replacement, compute each median, and use the middle 95 percent of those medians as an interval.

Related terms

More Statistics inference terms

Where you learn it

Bootstrap is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

Before you go

Take the cheat sheet with you

One free PDF: the key AI-engineering terms, formulas and Python idioms. No spam; unsubscribe any time.