Follow the data

Small enough to inspect. Explicit enough to question. All records are independently invented; none are derived from real participants.

1. 01

   DM · 2 synthetic rows

   One subject, several identities

   Separate an app-local key from the identifiers used to join an educational extract.

2. 02

   VS · 4 synthetic rows

   From a collection to four observations

   Follow each fictional measurement into its own row and keep a trace back to the input.

3. 03

   AE · 2 synthetic rows

   A date can be precise about uncertainty

   Keep a complete date, a partial date and a missing end date distinct.