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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 515

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

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

    PLpgSQL 275 75

  3. Atlas Atlas Public

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

    JavaScript 338 155

  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++ 46 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 94 69

  6. PatientLevelPrediction PatientLevelPrediction Public

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

    R 227 97

Repositories

Showing 10 of 398 repositories
  • trex Public

    Self-hosted Supabase-compatible backend with an embedded analytical engine and agent runtime

    OHDSI/trex's past year of commit activity
    TypeScript 2 Apache-2.0 6 0 2 Updated Nov 15, 2026
  • ohdsi-uk Public
    OHDSI/ohdsi-uk's past year of commit activity
    R 0 1 1 0 Updated Nov 15, 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 48 Apache-2.0 15 483 47 Updated Nov 14, 2026
  • Pythia Public

    AI cohort-design advisor for ATLAS 3.0

    OHDSI/Pythia's past year of commit activity
    Clojure 4 Apache-2.0 1 0 0 Updated Nov 14, 2026
  • SlashOhdsiStrategusAssistant Public
    OHDSI/SlashOhdsiStrategusAssistant's past year of commit activity
    R 1 0 5 0 Updated Nov 14, 2026
  • StudyStudio Public

    [under development] Offline, browser-only workspace for OHDSI Strategus network studies: distribute pinned protocols, audit small cells at each site, seal and verify StudyPacks, and record site dispositions.

    OHDSI/StudyStudio's past year of commit activity
    TypeScript 1 Apache-2.0 0 0 0 Updated Nov 14, 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 13 Apache-2.0 7 20 10 Updated Nov 14, 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 7 2 Updated Nov 14, 2026
  • OhdsiShinyModules Public

    An R package containing Shiny modules used by various OHDSI Shiny apps

    OHDSI/OhdsiShinyModules's past year of commit activity
    R 9 13 73 6 Updated Nov 13, 2026
  • OhdsiReportGenerator Public

    Code to extract data from the OHDSI results structure and generate plots, presentations and reports

    OHDSI/OhdsiReportGenerator's past year of commit activity
    R 1 4 2 2 Updated Nov 13, 2026
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