- Overview and getting started
- 1. About TwinLife
- 2. Documentation of the study
-
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 and Citation
- 7. Useful Links
- Overview and getting started
- 1. About TwinLife
- 2. Documentation of the study
-
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 and Citation
- 7. Useful Links
2. Documentation of the Study
There are various ways of getting informed about the data sets and variables. A first overview of the TwinLife data can be found and downloaded here.
2.1 Data Documentation Website and ShortGuide
2.2 Documentation within the Data Sets
2.5 Technical Report Series, Methodology Reports, and Working Paper Series