AI engineering glossary · Statistics inference
What is contingency table?
Contingency table: A grid that counts how many observations fall into each combination of categories of two or more variables. It is the starting point for tests of association between categorical variables.
Contingency table: an example
A 2 by 2 table of Android versus iOS against purchased versus not purchased.
Related terms
More Statistics inference terms
- Control group
- Counterfactual
- Cramér-Rao bound
- Credible interval
- Critical value
- Degrees of freedom
- Difference-in-differences
- Effect size
Where you learn it
Contingency table is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.