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Nominal Data
The main characteristic of nominal data levels is that the collected qualitative data can be grouped into different categories.
It is not possible however, to order or rank the data, as the data consists of value-free qualitative information.
Nominal data examples
 Nominal Data Example (Spiess 1993) |
Example: Geological maps are based on nominal data. Geological maps reveal the distribution of different geological patterns. We distinguish categories like granite, gneiss, limestone, tertiary and quaternary sediment deposits. |
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