Holdouts
Read time: 1 minute
Last edited: Aug 23, 2024
To use holdouts, you must be using the multi-environment view in the LaunchDarkly user interface. To learn more, read the latest Release notes.
Overview
This topic introduces holdouts, which you can use to measure the effectiveness of your Experimentation program over time.
About holdouts
Holdouts let you exclude a percentage of your audience from your Experimentation program. After running a holdout for a set amount of time, such as a fiscal quarter, you can learn the overall effect of your experiments on the metrics you choose, and determine how effective the experiments you're running are.
Prerequisites
To use holdouts, you should understand the following concepts:
To learn how to create and manage holdouts, read Creating holdouts and Managing holdouts.
To learn how to build and run an example holdout, read Measuring Experimentation impact with holdouts.