TwinLife Documentation TwinLife Documentation TwinLife Documentation
  • Overview and getting started
    • Table of content
    • Getting started
    • Data access & documentation
  • 1. About TwinLife
    • 1.1 Basic Concept
    • 1.2 Study Design and Sample Structure
    • 1.3 Where and how to get the Data
  • 2. Documentation of the study
    • 2.1 Data Documentation Website and ShortGuide
    • 2.2 Documentation within the Data Sets
    • 2.3 paneldata.org
    • 2.4 Codebooks
    • 2.5 Technical Report Series, Methodology Reports, and Working Paper Series
  • 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
    • 4.1 Check routines
    • 4.2 Data Adjustment
  • 5. Generated Variables and Scales
    • 5.1 Generated Variables
    • 5.2 Generated Scales
  • 6. Publications and Citation
    • 6.1 Publications and Literature Database
    • 6.2 Citation
  • 7. Useful Links
  • Terms and Privacy
  • Downloads
  • Overview and getting started
    • Table of content
    • Getting started
    • Data access & documentation
  • 1. About TwinLife
    • 1.1 Basic Concept
    • 1.2 Study Design and Sample Structure
    • 1.3 Where and how to get the Data
  • 2. Documentation of the study
    • 2.1 Data Documentation Website and ShortGuide
    • 2.2 Documentation within the Data Sets
    • 2.3 paneldata.org
    • 2.4 Codebooks
    • 2.5 Technical Report Series, Methodology Reports, and Working Paper Series
  • 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
    • 4.1 Check routines
    • 4.2 Data Adjustment
  • 5. Generated Variables and Scales
    • 5.1 Generated Variables
    • 5.2 Generated Scales
  • 6. Publications and Citation
    • 6.1 Publications and Literature Database
    • 6.2 Citation
  • 7. Useful Links

2.2 Documentation within the Data Sets

  • Print
  • Email
  • Stata users can find several information about the variables within the notes attached to the dataset. Use the command -note varname- in order to get the following information:

    • filter condition in Stata language
    • question and item text in German and English
    • the data collections in which the variable has been surveyed
    • Prev
    • Next
    • Terms and Privacy
    • Downloads