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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 514

  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 328 155

  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
  • ROhdsiWebApi Public

    An R package for interfacing with a WebAPI instance

    OHDSI/ROhdsiWebApi's past year of commit activity
    R 10 16 34 2 Updated Oct 13, 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 13 495 35 Updated Oct 13, 2026
  • 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 13, 2026
  • ohdsi-uk Public
    OHDSI/ohdsi-uk's past year of commit activity
    R 0 1 1 0 Updated Oct 13, 2026
  • WhiteRabbit Public

    WhiteRabbit is a small application that can be used to analyse the structure and contents of a database as preparation for designing an ETL. It comes with RabbitInAHat, an application for interactive design of an ETL to the OMOP Common Data Model with the help of the the scan report generated by White Rabbit.

    OHDSI/WhiteRabbit's past year of commit activity
    Java 226 Apache-2.0 104 116 (4 issues need help) 5 Updated Oct 13, 2026
  • WebAPI Public

    OHDSI WebAPI contains all OHDSI services that can be called from OHDSI applications

    OHDSI/WebAPI's past year of commit activity
    Java 153 Apache-2.0 186 136 (1 issue needs help) 30 Updated Oct 12, 2026
  • drat Public

    drat repository for OHDSI R packages

    OHDSI/drat's past year of commit activity
    6 7 0 0 Updated Oct 12, 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 12, 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 6 2 2 Updated Oct 12, 2026
  • SlashOhdsiStrategusAssistant Public
    OHDSI/SlashOhdsiStrategusAssistant's past year of commit activity
    R 1 0 2 0 Updated Oct 12, 2026
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