In this chapter's first example, we'll use data collected from a theoretical hospital where upon admission, information about a patient's medical history is collected through an online survey. Information is also added to a patient's file as treatment is provided.

The file includes many fields, including basic descriptive data for the patient, such as:

Vital statistics, such as:

Medical history, such as:

Demographical statistics, such as:

Some additional information is also collected in the file in an attempt to develop patient characters and habits such as the number of times the patient included beef, pork, and fowl in their weekly diet, or whether they typically use a butter replacement product, and so on.

Periodically, the data is dumped to text files, are comma...