ConceptualVariable

Generalization is Concept.

Superclass hierarchy

Definition

Use of a concept as a characteristic of a unit type intended to be measured.

Examples

  1. Sex of person

  2. Number of employees

  3. Value of endowment

Explanatory notes

Note that DDI varies from GSIM in the use of a unit type rather than a universe. “The use of a concept as a characteristic of a universe intended to be measured” [GSIM 1.1].



Properties

Name

Description

Data Type

Multi- plicity

descriptiveText

A short natural language account of the characteristics of the object.

InternationalStructuredString

0..1

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

definition
from Concept

Natural language statement conveying the meaning of a concept, differentiating it from other concepts. Supports the use of multiple languages and structured text.

InternationalStructuredString

0..1

displayLabel
from Concept

A structured display label providing a fully human readable display for the identification of the object. Supports the use of multiple languages and structured text.

LabelForDisplay

0..*

name
from Concept

A linguistic signifier. Human understandable name (word, phrase, or mnemonic) that reflects the ISO/IEC 11179-5 naming principles. If more than one name is provided provide a context to differentiate usage.

ObjectName

0..*

Associations

Multiplicity

Association

Navigable Class

Multiplicity

0..*

ConceptualVariable_uses_Concept

Concept

0..*

0..*

ConceptualVariable_takesSentinelConceptsFrom_SentinelConceptualDomain

SentinelConceptualDomain

0..1

0..*

ConceptualVariable_measures_UnitType

UnitType

0..1

0..*

ConceptualVariable_takesSubstantiveConceptsFrom_SubstantiveConceptualDomain

SubstantiveConceptualDomain

0..1

TBD

Diagram

TBD