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Ordinal data
Ordinal data is another measurement level. This data level includes both, the categorisation of data, and the ordering (ranking) of data. The ranking of data, however, does neither rely on equal category intervals, or are the chosen categories indicated by numbers, but by a qualitative ranked class description.
Ordinal data example
 Ordinal Data Example (Buri et al. 1999) |
Example: Hazard map of snow avalanches. The three ranks stand for hazard classes: red for high danger, blue for moderate danger, and yellow for low danger. |
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