# EncodeBox

> Semantic layer for healthcare analytics — query various real-world data without ETL.

## Docs

- [API map](https://docs.encodebox.com/api.md): Curated map of Database, EventFrame, Cohort, and related APIs.
- [Cohort](https://docs.encodebox.com/api/cohort.md): Cohort entry, include/exclude criteria, attrition, and specs.
- [Database](https://docs.encodebox.com/api/database.md): Database binds a connector and exposes Sentinel domains as EventFrames.
- [EventFrame](https://docs.encodebox.com/api/event-frame.md): EventFrame verbs for matching, occurrence, gaps, and index dates.
- [Architecture](https://docs.encodebox.com/architecture.md): How EncodeBox layers, IR compilation, and connectors fit together.
- [Cheat sheet](https://docs.encodebox.com/cheatsheet.md): Short reference for EventFrame verbs, Cohort criteria, and code types.
- [Connectors](https://docs.encodebox.com/connectors.md): Map source tables to FDA Sentinel CDM domains with YAML connectors.
- [Data model](https://docs.encodebox.com/data-model.md): Overview of Sentinel CDM tables and EncodeBox domain accessors.
- [Examples](https://docs.encodebox.com/examples.md): Runnable EncodeBox examples against the sample Sentinel CDM database.
- [Introduction](https://docs.encodebox.com/index.md): EncodeBox generates Sentinel CDM SQL from Python — no ETL materialization.
- [Migration](https://docs.encodebox.com/migration.md): Migrate from query_event / filter_event to EventFrame and Cohort.
- [Query patterns](https://docs.encodebox.com/query-patterns.md): Common EventFrame and Cohort patterns with plain-English notes.
- [Quickstart](https://docs.encodebox.com/quickstart.md): Register a connector, connect, build an EventFrame, and optionally define a Cohort.
- [Sentinel CDM quick reference](https://docs.encodebox.com/sentinel-cdm-quick-ref.md): Field-level Sentinel CDM quick reference for tables used in EncodeBox.
- [Walkthrough](https://docs.encodebox.com/walkthrough.md): End-to-end Sentinel CDM walkthrough with the sample PostgreSQL database.
- [Which API?](https://docs.encodebox.com/which-api.md): Choose EventFrame, Cohort, or Table/Column for the same query.