DDLm dictionary version 3.14.0
The origin or source of the defined data item, indicating by what recording process it has been added to the domain instance.
The data value must be one of the following:
|A value (numerical or otherwise) recorded by observation or measurement during the experimental collection of data. This item is PRIMITIVE.|
|A value (numerical or otherwise) assigned as part of the data collection, analysis or modelling required for a specific domain instance. These assignments often represent a decision made that determines the course of the experiment (and therefore may be deemed PRIMITIVE) or a particular choice in the way the data was analysed (and therefore may be considered NOT PRIMITIVE).|
|A value or tag used in the construction of looped lists of data. Typically identifying an item whose unique value is the reference key for a loop category and/or an item which has values in common with those of another loop category and is considered a Link between these lists.|
|A quantity derived from other data items within the domain instance. This item is NOT PRIMITIVE.|
Enumeration default: Assigned