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@OHDSI

Observational Health Data Sciences and Informatics

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  1. CommonDataModel CommonDataModel Public

    Definition and DDLs for the OMOP Common Data Model (CDM)

    HTML 1.1k 512

  2. Vocabulary-v5.0 Vocabulary-v5.0 Public

    Build process for the OHDSI Standardized Vocabularies. Currently not available as independent release.

    PLpgSQL 274 75

  3. Atlas Atlas Public

    ATLAS is an open source software tool for researchers to conduct scientific analyses on standardized observational data

    JavaScript 327 154

  4. Cyclops Cyclops Public

    Cyclops (Cyclic coordinate descent for logistic, Poisson and survival analysis) is an R package for performing large scale regularized regressions.

    C++ 44 36

  5. CohortMethod CohortMethod Public

    An R package for performing new-user cohort studies in an observational database in the OMOP Common Data Model.

    R 92 69

  6. PatientLevelPrediction PatientLevelPrediction Public

    An R package for performing patient level prediction in an observational database in the OMOP Common Data Model.

    R 223 96

Repositories

Showing 10 of 391 repositories
  • Circepy Public

    [under development] A one to one python implementation of the circe-be cohort definition classes

    OHDSI/Circepy's past year of commit activity
    Python 6 1 5 1 Updated Oct 10, 2026
  • ohdsi-uk Public
    OHDSI/ohdsi-uk's past year of commit activity
    R 0 1 1 0 Updated Oct 10, 2026
  • GIS Public
    OHDSI/GIS's past year of commit activity
    R 19 Apache-2.0 11 112 (1 issue needs help) 0 Updated Oct 9, 2026
  • Atlas3 Public

    A complete reimplementation of OHDSI ATLAS for cohort definition and analysis, built with Vue 3 and TypeScript.

    OHDSI/Atlas3's past year of commit activity
    TypeScript 10 Apache-2.0 5 9 7 Updated Oct 9, 2026
  • Picard Public

    [under development] RWE Pipelining Tool favoring OHDSI tools

    OHDSI/Picard's past year of commit activity
    R 0 Apache-2.0 0 21 1 Updated Oct 9, 2026
  • CommonDataModel Public

    Definition and DDLs for the OMOP Common Data Model (CDM)

    OHDSI/CommonDataModel's past year of commit activity
    HTML 1,089 512 75 5 Updated Oct 9, 2026
  • Eunomia Public

    An R package that facilitates access to a variety of OMOP CDM sample data sets.

    OHDSI/Eunomia's past year of commit activity
    R 50 10 15 2 Updated Oct 9, 2026
  • Data2Evidence Public

    Data2Evidence is an end-to-end solution for management and analysis of OMOP data - https://data2evidence.org

    OHDSI/Data2Evidence's past year of commit activity
    TypeScript 44 Apache-2.0 13 487 35 Updated Oct 9, 2026
  • Achilles Public

    Automated Characterization of Health Information at Large-scale Longitudinal Evidence Systems (ACHILLES) - descriptive statistics about a OMOP CDM database

    OHDSI/Achilles's past year of commit activity
    R 153 135 66 7 Updated Oct 9, 2026
  • ETL-LambdaBuilder Public

    CDM Builder leveraging AWS Lambda

    OHDSI/ETL-LambdaBuilder's past year of commit activity
    C# 21 Apache-2.0 17 0 0 Updated Oct 9, 2026
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