This presentation describes several projects conducted at NACDA-ICPSR to document variable comparability across waves in longitudinal studies and across two or more longitudinal series. Project-specific workflows and use of DDI-Lifecycle structures are presented
Harmonised datasets improve data discovery and allow comparative statistical analysis. If metadata i...
The first webinar in the 2023 CODATA – DDI Alliance webinar series, ‘The DDI Variable Cascade: Descr...
In December of 2011 the DDI Qualitative Working group began the formalization of a model describing...
ICPSR has recently been actively engaged in moving to DDI-Lifecycle to document some of its longitud...
Since DDI Lifecycle 3.2, the variable cascade has allowed data producers to define the concordance a...
In line with ICPSR’s commitment to adopt DDI Lifecycle to document some of its longitudinal studies,...
Hansen SE, Iverson J, Jansen U, Orten H, Vompras J. Enabling Longitudinal Data Comparison Using DDI....
In this presentation, we will summarize the evolving story of our work with various longitudinal dat...
The National Longitudinal Survey of Youth is conducted by the US Bureau of Labor Statistics. Several...
As the host institution for the DDI Alliance, the Inter-university Consortium for Political and Soci...
<p>As the host institution for the DDI Alliance, the Inter-university Consortium for Political and S...
In the context of cross-national and longitudinal surveys, it is key to document the comparability o...
In the context of cross-national and longitudinal surveys, it is key to document the comparability o...
Comprehensive research metadata greatly clarify the methods and processes used to capture data and p...
Comprehensive research metadata greatly clarify the methods and processes used to capture data and p...
Harmonised datasets improve data discovery and allow comparative statistical analysis. If metadata i...
The first webinar in the 2023 CODATA – DDI Alliance webinar series, ‘The DDI Variable Cascade: Descr...
In December of 2011 the DDI Qualitative Working group began the formalization of a model describing...
ICPSR has recently been actively engaged in moving to DDI-Lifecycle to document some of its longitud...
Since DDI Lifecycle 3.2, the variable cascade has allowed data producers to define the concordance a...
In line with ICPSR’s commitment to adopt DDI Lifecycle to document some of its longitudinal studies,...
Hansen SE, Iverson J, Jansen U, Orten H, Vompras J. Enabling Longitudinal Data Comparison Using DDI....
In this presentation, we will summarize the evolving story of our work with various longitudinal dat...
The National Longitudinal Survey of Youth is conducted by the US Bureau of Labor Statistics. Several...
As the host institution for the DDI Alliance, the Inter-university Consortium for Political and Soci...
<p>As the host institution for the DDI Alliance, the Inter-university Consortium for Political and S...
In the context of cross-national and longitudinal surveys, it is key to document the comparability o...
In the context of cross-national and longitudinal surveys, it is key to document the comparability o...
Comprehensive research metadata greatly clarify the methods and processes used to capture data and p...
Comprehensive research metadata greatly clarify the methods and processes used to capture data and p...
Harmonised datasets improve data discovery and allow comparative statistical analysis. If metadata i...
The first webinar in the 2023 CODATA – DDI Alliance webinar series, ‘The DDI Variable Cascade: Descr...
In December of 2011 the DDI Qualitative Working group began the formalization of a model describing...
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