Data Characteristics - Data Characteristics Aggregate Data...

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Data Characteristics Aggregate Data Data that is organized or grouped such as finding the sum over a given period or time, for example, monthly or quarterly. Data can be organized into any grouping such as geographic area. The data is not individual records. (ie. Summary statistics) Categorical Data Consists of data that can be grouped by specific categories (also known as qualitative variables). Categorical variables may have categories that are naturally ordered ( ordinal variables) or have no natural order ( nominal variables). For example, the variable “height” is ordinal because it contains the categories “short,” “average,” and “tall” which are naturally ordered according to ascending height. On the other hand, variables such as “sex” and “hair colour,” which have no natural category order, are examples of nominal variables. Continuous Variable A numeric variable which can assume an infinite number of real values. For
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  • Winter '12
  • Funk
  • Expression, Category theory, Level of measurement

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