Introduction
Introduction
In this tutorial, we create two subject areas that divide the patient data by ZIP code. In the Patients sample, ZIP codes contain small cities as follows:

We will create the following subject areas:
| Subject Area Name | Contents |
|---|---|
| Patient Set A | Patients who live in ZIP codes 32006, 32007, or 36711 |
| Patient Set B | Patients who live in ZIP codes 34577 or 38928 |