
Figure 1
Use case with two Stata-files, each containing two variables, in one ZIP-file within a study.

Figure 2
Content of element <stdyDscr>.

Figure 3
Content of element <fileDscr>.

Figure 4
Content of element <dataDscr>.

Figure 5
Content of element <var>.

Figure 6
Introducing the option for downloading DDI-Codebook metadata from metadata.fdz.dzhw.eu.

Figure 7
Part of the landing page (LIfBi, 2025) for https://doi.org/10.5157/NEPS:SC1:10.1.0.

Figure 8
An approach to link to DDI-Codebook metadata which makes use of the Schmea.org property ‘distribution’.
