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OHDSI Educational Resources

Community-maintained resources for learning the OMOP Common Data Model, OHDSI tools, and observational health data science.

  • EHDEN Academy


    Free courses on the CDM, standardized vocabularies, ETL processes, and OHDSI tools. The most comprehensive structured learning resource in the community.

    Browse courses

  • The Book of OHDSI


    The definitive guide to observational health data science using OHDSI methods — from CDM fundamentals to population-level estimation and patient-level prediction.

    Read online

  • OHDSI Forums


    Active community discussions on CDM modeling, tool usage, vocabulary questions, and study design. The best place to get answers from the global OHDSI network.

    Visit forums

  • OHDSI Tutorials


    Conference tutorials and workshop recordings covering data-to-evidence workflows, ETL development, vocabulary usage, and more.

    YouTube channel

Annual Reports

The OHDSI community publishes an annual "Our Journey" report summarizing network growth, research output, and tool development.