DDI 3.1 XML Schema Documentation (2009-10-18)
© DDI Alliance 2009 - licensed under the terms of the GNU Lesser General Public License
complexType "RepresentationType"
Namespace:
Content:
complex, 3 attributes, 2 elements
Abstract:
(cannot be assigned directly to elements used in instance XML documents)
Defined:
globally in reusable.xsd, see XML source
Includes:
definitions of 3 attributes and 2 elements
Used:
XML Representation Summary
<...
    blankIsMissingValue
 = 
xs:boolean
    classificationLevel
 = 
("Nominal" | "Ordinal" | "Interval" | "Ratio" | "Continuous")
    missingValue
 = 
xs:NMTOKENS
    >
   
Content: 
RecommendedDataType?, GenericOutputFormat?
</...>
Content Model Elements (2):
Known Direct Subtypes (7):
Known Indirect Subtypes (8):
All Direct / Indirect Based Elements (22):
Known Usage Locations
Annotation
Abstract type for the head of a substitution group for a variable representation or a question response domain. If specific values are used to denote missing values, these can be indicated as a space-delimited list in the missingValue attribute. If the missing value is indicated by a blank, this should be indicated by setting the value of blankIsMissingValue to true.
XML Source (w/o annotations (6); see within schema source)
<xs:complexType abstract="true" name="RepresentationType">
<xs:sequence>
<xs:element minOccurs="0" name="RecommendedDataType" type="CodeValueType"/>
<xs:element minOccurs="0" name="GenericOutputFormat" type="CodeValueType"/>
</xs:sequence>
<xs:attribute name="missingValue" type="xs:NMTOKENS" use="optional"/>
<xs:attribute name="blankIsMissingValue" type="xs:boolean" use="optional"/>
<xs:attribute name="classificationLevel" type="CategoryRelationCodeType" use="optional"/>
</xs:complexType>
Attribute Detail (defined in this component only; 3/3)
blankIsMissingValue
Type:
xs:boolean, predefined
Use:
optional
When value is true a blank or empty variable content should be treated as a missing value.
XML Source (w/o annotations (1); see within schema source)
<xs:attribute name="blankIsMissingValue" type="xs:boolean" use="optional"/>

classificationLevel
Type:
Use:
optional
Indicates the type of relationship, nominal, ordinal, interval, ratio, or continuous.
Attribute Value
enumeration of xs:NMTOKEN
Enumeration:
"Nominal"
 - 
A relationship of less than, or greater than, cannot be established among the included categories. This type of relationship is also called categorical or discrete.
"Ordinal"
 - 
The categories in the domain have a rank order.
"Interval"
 - 
The categories in the domain are in rank order and have a consistent interval between each category so that differences between arbitrary pairs of measurements can be meaningfully compared.
"Ratio"
 - 
The categories have all the features of interval measurement and also have meaningful ratios between arbitrary pairs of numbers.
"Continuous"
 - 
May be used to identify both interval and ratio classification levels, when more precise information is not available.
XML Source (w/o annotations (1); see within schema source)
<xs:attribute name="classificationLevel" type="CategoryRelationCodeType" use="optional"/>

missingValue
Type:
xs:NMTOKENS, predefined
Use:
optional
List the values used to represent missing data in a space delimited array.
XML Source (w/o annotations (1); see within schema source)
<xs:attribute name="missingValue" type="xs:NMTOKENS" use="optional"/>
Content Element Detail (defined in this component only; 2/2)
GenericOutputFormat
Type:
CodeValueType, simple content
This field provides a recommended generic treatment of the data for display by an application. The value should come from a controlled vocabulary.
Simple Content
xs:string
XML Source (w/o annotations (1); see within schema source)
<xs:element minOccurs="0" name="GenericOutputFormat" type="CodeValueType"/>

RecommendedDataType
Type:
CodeValueType, simple content
This field provides the recommended treatment of the data within an application. The value should come from a controlled vocabulary - recommended values include the set found in W3C XML Schema Part 2, but excluding string sub-types, QNAME, and NOTATION.
Simple Content
xs:string
XML Source (w/o annotations (1); see within schema source)
<xs:element minOccurs="0" name="RecommendedDataType" type="CodeValueType"/>

XML schema documentation generated with DocFlex/XML SDK 1.7.2 using DocFlex/XML XSDDoc 2.1.0 template set