Light becomes a digital picture
A photograph is a useful representation built from samples of light.
A thoughtful collection of ideas for turning tables and measurements into useful questions.
Open the fieldbookAn independent journal about tables, files, and the definitions that help data travel. Practical essays on collecting, organizing, and preserving useful context.
Our point of viewKnow the unit, population, and time window before deciding what changed.
Missing information and uncertainty belong alongside a result.
A clear table or chart should support a question rather than compete with it.

The displayed precision should support the comparison a reader needs to make.
Find a field in a small table. Write its meaning, unit, and the rule for a missing value as though another person will use the file.