Utilities
Small, practical utilities for experiment planning and causal measurement.
These are lightweight tools and datasets I created that may be of use.
These are lightweight tools and datasets I created that may be of use.
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title: "Utilities"
description: "Small, practical utilities for experiment planning and causal measurement."
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These are lightweight tools and datasets I created that may be of use.
## Interactive tools
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### A/B Power Calculator
Plan **sample size**, **MDE**, and **runtime** for continuous or binary metrics. Includes **CUPED/CUPAC variance reduction**, **SE multiplier** (cluster/design effect), and **unequal allocation**.
<a class="btn btn-primary me-2" href="utilities/power-calculator.qmd">Open</a>
<a class="btn btn-outline-secondary" href="utilities/power-calculator.qmd#how-i’d-use-this-in-practice">Notes</a>
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