Mean and median see different details
Two summaries of the same collection can emphasize different aspects of it.
Observations, explanations, and small discoveries
The fieldbook.
An independent journal about tables, files, and the definitions that help data travel. Practical essays on collecting, organizing, and preserving useful context.
9 stories to explore
Examples shape the model’s task
The choice and labeling of training data influence what a system can learn.
Moving together does not explain why
A relationship between two quantities can suggest a question without establishing its cause.
A template with room to think
Good structure reduces repeated setup while leaving the important decisions visible.
A dictionary for your columns
Short definitions can prevent a table from depending on one person’s memory.
A benchmark measures a defined task
A score becomes meaningful through the test that produced it.
An outlier is a question first
An unusual value deserves context before it is removed or celebrated.
Choose a tool with an exit
The ability to leave is part of a thoughtful decision to begin.
Rounding without losing the point
The displayed precision should support the comparison a reader needs to make.
No stories here just yet.
Try another search or explore a different topic.
A small idea to take with you
Explain one column
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.