Statistical Power
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Robust Power Assessment
An important part of planning any statistical experiment is power analysis. In this post I will focus on power analysis for linear regression models, but I am hopeful much of this can be applied to Generalized Linear Models and hence to the sorts of A/B tests I normally run.
Optimal Experiment Design
We can plan sample sizes to control the width of confidence intervals.
Statistical Power
Power considerations drive the sample sizes needed for a successful experiment.

