Meridian GeoX is Google's global, open-source incrementality solution that lets you run transparent, cost-effective, and publisher-agnostic Geo experiments (GeoX). Use these causal experiments to anchor your marketing strategy and calibrate your marketing mix models (MMM).
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Explore the Meridian GeoX library

Introduction to Meridian GeoX, glossary, and FAQs.
Step-by-step instructions for installing the Meridian GeoX library and understanding the process and methodology.
Use interactive Colab notebooks to run single and multi-cell studies, including comparing designs and calibrating MMM.
Detailed documentation for all classes and functions in the Meridian GeoX library.
Learn how to calibrate MMM priors with your Meridian GeoX experiments.
Learn how to identify Meridian (MMM) channels that would benefit from running a Meridian GeoX experiment to calibrate ROI priors.

Benefits of Meridian GeoX

Native multi-cell execution: Reduces cost and time by comparing multiple treatments against a common control in the same study.

Budget-efficient methodologies: Maximize statistical power using time-based regression and stratified sampling.

Flexible design wrapper: Lets you choose the optimal methodology for your specific business objectives and budget.

Open-source integrity: Provides visibility and customization, letting your teams audit underlying methodologies for trust.

Maximized user choice: Lets you tailor experiment designs (such as holdback, go-dark, and heavy-up) to meet specific objectives.

Ease of use: Offers robust documentation, Colab notebooks, and versioning for seamless scalability.

Improved accuracy: Integrates Geo experimentation and marketing mix models (MMM) to increase the accuracy of your budget allocations.

Channel recommendations: Recommends the best Meridian channels to run your GeoX experiments.

Calibrated results: Converts Meridian GeoX results into priors to calibrate MMM results.