title, type, tags, sources, last_updated
| title |
type |
tags |
sources |
last_updated |
| Power Analysis |
concept |
| statistics |
| experimentation |
|
| project-management-experiment-tracker |
|
2026-04-20 |
Definition
Power Analysis estimates the sample size needed to detect a meaningful effect with a desired probability of success.
Core Principles
- Specify minimum detectable effect
- Choose desired power level before launch
- Use realistic baseline rates and variance estimates
- Recompute when the experiment design changes
Related Concepts
Related Entities
