The following definitions are useful when accessing data.
- Aggregate Data - Data which are summed, averaged, or otherwise calculated as a combination of individual data.
- Cell - A subset of individuals within a particular group that shares a particular characteristic or set of characteristics.
- Count (a.k.a Value) - An aggregated number of individuals within a cell or population.
- Mutually exclusive groups - Groups to which an individual can belong to only one at any given time. Examples of such groups include, but are not limited to, gender and grade.
- Percentage - The ratio of the cell value to the population value.
- Personally Identifiable Information (PII) - Information that can be used on its own or in combination with other information to identify, contact, or locate a single person.
- Population - Every individual in a particular group that shares a particular characteristic or set of characteristics
- Redaction (a.k.a. Disclosure Avoidance) - Efforts made to reduce the risk of disclosure, such as applying statistical methods to protect Personally Identifiable Information in aggregate data tables.
- Risky (a.k.a sensitive) cell - Any cell whose value can be used to uniquely identify a student. See also personally identifiable information.
Last Modified on November 5, 2019