Example of data model in statistics format.

2014-02-28T04:02:34Z (GMT) by Martin Dugas Susanne Dugas-Breit

An R data frame is provided with 8 variables (I.001 … I.008). Labels for variables and permissible values are defined, for instance “male” and “female” for item I.1004 (Gender). General information about the study like “StudyName” is provided as attribute of this data frame.