element <referencePeriod> (global)
Namespace:
Type:
Content:
simple, 13 attributes
Defined:
globally in codebook.xsd; see XML source
Used:
XML Representation Summary
<referencePeriod
   
 = 
xs:ID
 = 
xs:NMTOKEN
 = 
xs:language
 = 
("archive" | "producer") : "producer"
 = 
xs:string
 = 
(xs:dateTime | xs:date | xs:gYearMonth | xs:gYear)
 = 
xs:anyURI
 = 
xs:anyURI
 = 
xs:boolean : "false"
 = 
xs:boolean : "true"
 = 
xs:string
 = 
xs:date
 = 
("start" | "end" | "single")
   
>
   
Content: 
{ xs:dateTime | xs:date | xs:gYearMonth | xs:gYear }
</referencePeriod>
Included in content model of elements (1):
Known Usage Locations
Annotation

Reference Period

Description

Indicates the period of time in which the sampling frame was actually used for the study in question. Use ISO 8601 date/time formats to enter the relevant date(s).

Example

<referencePeriod event="single">2009-06-01</referencePeriod>
XML Source (w/o annotations (1); see within schema source)
<xs:element name="referencePeriod" type="eventDateType"/>

XML schema documentation generated with DocFlex/XML 1.12 using DocFlex/XML XSDDoc 2.9.0 template set