Moving together does not explain why
A relationship between two quantities can suggest a question without establishing its cause.
Notes on making sense of the things around us
The notebook.
A journal about the choices inside charts and dashboards. We explore scales, labels, and the ways a visual summary can make information clearer without hiding its limits.
10 stories to explore
A color depends on the light
A familiar object can appear different as its surroundings change.
Mean and median see different details
Two summaries of the same collection can emphasize different aspects of it.
What an environment is for
A test space is useful when its differences from everyday use are deliberate.
A dictionary for your columns
Short definitions can prevent a table from depending on one person’s memory.
Resolution is not the whole measurement
The smallest displayed step and the accuracy of a result are different ideas.
The denominator changes the story
A percentage describes a relationship with a group that needs to be named.
A service that fails with context
An unavailable feature can still give people a useful next step.
A snapshot needs its date
An export records a view of information at a particular moment.
Rounding without losing the point
The displayed precision should support the comparison a reader needs to make.
No stories here just yet.
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A small idea to take with you
Read the axis before the pattern
Choose a chart and describe its scale, units, and time window. Then explain the pattern using the values as well as the shape.