MainKeyMember

Generalization is InstanceValue.

Superclass hierarchy

Definition

Identifies the unit of interest, either a statistical unit or a population, via identifier or dimension components, respectively, plus an optional contextual component. If neither identifier nor dimension components are present, then a synthetic id component is used.

Examples

The string “income_distribution:male:Ontario:married” in a dimensional key-value datastore, where instance key members are defined by context plus Sex, Province and Marital Status dimensions.

Explanatory notes


Subclasses


Inherited Properties

Name

Description

Data Type

Multi- plicity

agency

Agency expressed as filed with the DDI Agency ID registry [registry.ddialliance.org] with optional additional sub-agency extensions.

:ref:``

1..1

id

ID conforming to the allowed structure of the DDI Identifier and must be unique within the Agency.

:ref:``

1..1

isPersistent

Default value is false indicating that the content of the current version may change (may be in development mode). Set to true when the content of this version will no longer change.

:ref:``

1..1

isUniversallyUnique

Default value is false. If the id of the object was created as a Universally Unique ID (UUID) set to true.

:ref:``

1..1

localId

Locally used identifier unique with a specified context, such as a variable name within a dataset.

LocalIdFormat

0..*

version

Version number of the object.

:ref:``

1..1

versionDate

Date and time the object was changed expressed in standard ISO formats.

XSDdate

0..1

versionRationale

Reason for making a new version of the object.

RationaleDefinition

0..1

versionResponsibility

Contributor who has the ownership and responsibility for the current version.

:ref:``

0..1

Associations

Multiplicity

Association

Navigable Class

Multiplicity

0..*

MainKeyMember_isBasedOn_ContextualComponent

ContextualComponent

0..1

0..*

MainKeyMember_isBasedOn_IdentifierComponent

IdentifierComponent

0..1

0..*

MainKeyMember_hasValueFrom_SubstantiveValueDomain

SubstantiveValueDomain

0..1

0..*

MainKeyMember_isBasedOn_SyntheticIdComponent

SyntheticIdComponent

0..1

0..*

MainKeyMember_isBasedOn_DimensionComponent

DimensionComponent

0..1

TBD

Diagram

TBD