Observational Health Data Sciences and Informatics

An R package for connecting to databases using JDBC.

Network infrastructure for collaborative studies across disparate data nodes and researches

ETL code for converting Korean National Sample Cohort (NSC) derived from national insurance health service into OMOP-CDM v5 developed by Ajou University

[Under development] OHDSI WebAPI contains all OHDSI services that can be called from OHDSI applications

An R package for performing patient level prediction.

This repository is for developing study packages for OHDSI studies. Once completed, they can be moved to the StudyProtocols repository.

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

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

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

Arachne Central middle-tier including Service API.

A command line Java application for parsing MEDLINE XML files and inserting the data into a relational database

[Under development] An R package for comparing patient-level predictions and prediction models

drat repository for OHDSI R packages

Arachne Data Node is a component that facilitates connection and communication between local databases and Arachne Central

[Under development] Visualizations is a collection of JavaScript modules to support D3 visualizations in web-based applications

Commons module contains common code re-used between all Arachne components

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

An R package of support tools that didn’t fit other categories, including tools for maintaining R libraries.

Arachne Execution Engine is a component used to execute remote SQL or R code. It is used by both Arachne Data Node as well as WebAPI

An R package to assist in the management of multiple CDM data sources for use in Atlas

Middle-tier of web application for distributing and browsing the Standardized Vocabularies for the OMOP CDM

UI of web application for distributing and browsing the Standardized Vocabularies for the OMOP CDM

An R package for performing empirical calibration of observational study estimates

This is an R package and Java library for rendering parameterized SQL, and translating it to different SQL dialects.

An R package for generating features (covariates) for a cohort using data in the Common Data Model.

Application for Epidemiological Geographic Information System (AEGIS): a system for semi-automatic GIS visualization based on the OMOP Common Data Model.

[In Development] An application to parse freetext inclusion criteria and produce a structured cohort definition that can be executed against OMOP CDM

CIRCE is a cohort definition and syntax compiler tool for OMOP CDMv5

[under development] a open repository to host ARACHNE Common UI components