CategoryStatistic - Properties and Relationships — DDI 4.0 dev documentation

# CategoryStatistic - Properties and Relationships

## Properties

Name | Type | Cardinality
--- | --- | ---
categoryValue | ValueString | 0..1
filterValue | ValueString | 0..1
hasStatistic | Statistic | 0..n
typeOfCategoryStatistic | ExternalControlledVocabularyEntry | 0..1

### categoryValue

Value of the category to which the statistics apply

### filterValue

The value of the filter variable to which the category statistic is restricted

### hasStatistic

The value of the identified type of statistic for the category. May be repeated to provide unweighted or weighted values and different computation bases.

### typeOfCategoryStatistic

Type of category statistic. Supports the use of an external controlled vocabulary. DDI strongly recommends the use of a controlled vocabulary.

## Relationships

Name | Type | Cardinality
--- | --- | ---
forCodeItem | Designation | 0..n

### forCodeItem

For categorical representations the CodeItem describing the value (signifier) and category (signified) may be identified.