DataExistence, IncludedCodeReference,

IncludedLevel (type xs:integer), VariableConcatenation

Type:

DataExistenceType, complex content

Allows for inclusion of upper level categories that will not have associated data. In this case they act as the DDI version 2 form of category group.

XML Source (w/o annotations (1); see within schema source)

<xs:element minOccurs="0" ref="DataExistence"/>

Type:

IncludedCodeReferenceType, simple content

Allows selection of code schemes to use not based on levels.

Simple Content

xs:string

XML Source (w/o annotations (1); see within schema source)

<xs:element maxOccurs="unbounded" minOccurs="0" ref="IncludedCodeReference"/>

Type:

xs:integer, predefined, simple content

Identifies specific levels to include.

XML Source (w/o annotations (1); see within schema source)

<xs:element maxOccurs="unbounded" minOccurs="0" name="IncludedLevel" type="xs:integer"/>

Type:

VariableConcatenationType, complex content

Describes the concatenation of other variables, based on a category value of this variable that can be used to identify or locate a specific record of this type. Used to identify unique identification string for a record of a specific category type. For example: A summary level indicating a state record may only require a STATE code to identify it in addition to its summary level category value, while a COUNTY would require a specific summary level value plus a STATE code and a COUNTY code.

XML Source (w/o annotations (1); see within schema source)

<xs:element minOccurs="0" ref="VariableConcatenation"/>