AI engineering glossary · Classical ML algorithms

What is confidence?

Confidence: In association rules, how often the right side appears when the left side does: support(A and B) / support(A). It estimates the conditional probability of B given A, but it can look high simply because B is common.

Level: intermediateTopic: Classical ML algorithms

Confidence: an example

If 200 baskets have tea and biscuits and 250 have tea, confidence of tea to biscuits is 0.8.

Related terms

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Where you learn it

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

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