The Data Documentation Initiative (DDI) XML Standard - Missy - Microdata Information System - Use...

MISSYMicrodata Information System

Use Case

Thomas Bosch(research associate, GESIS)

Agenda

• MISSY and Microcensus

• MISSY - Variable Information

• Data Preparation Process

• MISSY Editor

• DDI 3 - Problems

• Discussion

Microcensus and MISSY

Scientific Community

Federal Statistical

OfficeMISSY scientific use files

metadatascientific use files

analyse scientific use files

Agenda

• MISSY and Microcensus

• MISSY - Variable Information

• Data Preparation Process

• MISSY Editor

• DDI 3 - Problems

• Discussion

MISSY - Variable InformationVariable List

MISSY - Variable InformationVariable Specific Information

MISSY - Variable InformationThematic Classification

MISSY - Variable InformationVariable-Time-Matrix

Agenda

• MISSY and Microcensus

• MISSY - Variable Information

• Data Preparation Process

• MISSY Editor

• DDI 3 - Problems

• Discussion

Data Preparation Process (since 2008)

Agenda

• MISSY and Microcensus

• MISSY - Variable Information

• Data Preparation Process

• MISSY Editor

• DDI 3 - Problems

• Discussion

MISSY Editor (Variable Information)

MISSY Editor (Question Information)

MISSY Editor (Value Information)

Agenda

• MISSY and Microcensus

• MISSY - Variable Information

• Data Preparation Process

• MISSY Editor

• DDI 3 - Problems

• Discussion

DDI 3 - Problems

• No General Information (e.g. Titel, Abstract, …) • No Reuse of Common Information• Nested Concepts Possible?• Empty Elements

• …

Identifiers

<DDIInstance ID=““/><StudyUnit ID=““/>

<LogicalProduct ID=““/><VariableScheme ID=“vs1“/><Variable ID=“v1“/>

<DataCollection ID=““/><QuestionScheme ID=“qs1“/><QuestionItem ID=“questionNumber“/>

Thematic Classification

<Variable><Name>EF369</Name><Label type=“subject“>51</Label><Label>1. Staatsangehörigkeit</Label>

</Variable>

Variable Comparability

<Variable><Name>EF369</Name><Label type=“relatedsubject“> 919 </Label><Label>1. Staatsangehörigkeit</Label>

</Variable>

Variable Information

<LogicalProduct><Note><Content><ul id=“variableID“><li id=“variableIDOfficialClassification“><li id=“variableIDSubSample“><li id=“variableIDSamplingFraction“><li id=“variableIDDataEntryForm“><li id=“variableIDComment“> <li id=“variableIDGeneratedVariableType“><li id=“variableIDConcept“><li id=“variableIDUnit“>

</ul></Content></Note></LogicalProduct>

Question Information

<DataCollection><Note><Content><ul id=“questionID“>

<li id=“questionIDAppendix“><li id=“questionIDFilterInstruction“><li id=“questionIDFilterTextVerbal“><li id=“questionIDFilterTextFormal“><li id=“questionIDInformationDuty“> <li id=“questionIDInterviewerHandbookNumber“>

</ul></Content></Note></DataCollection>

Agenda

• MISSY and Microcensus

• MISSY - Variable Information

• Data Preparation Process

• MISSY Editor

• DDI 3 - Problems

• Discussion

Thank you for your attention…

…feel free to ask any unsolved questions!