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- Overview and getting started
- 1. About TwinLife
- 2. Documentation of the study
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3. Data Structure
- 3.1 Data Formats and Data Files
- 3.2 Person Types
- 3.3 System of Variable Names
- 3.4 ID Variables, Wave and Data Collection Identifiers
- 3.5 Missing Types and their Meanings
- 3.6 Delivered Para Data
- 3.7 Weights
- 3.8 Pecularities of Data
- 3.9 How to match the Data Files
- 3.10 Matching information from the parent-about-child questionnaire to the child's data set
- 4. Check Routines
- 5. Generated Variables and Scales
- 6. Publications: Citation, Ethics and Funding Statements
- 7. Useful Links
- 8. Workshops
- 9. Downloads