Pie & donut in 1801: Fit
Craft: honour angle (and area) of a circle slice and decoration falls away. Keep Pie & donut with “Fit” and 1801 from 1801. The scale must show zero (or a declared break) and units.
Playfair 1801; Florence Nightingale’s coxcomb is a polar cousin, 1858 Yes if one claim is visible at a glance in Meta, Google and retail print; otherwise link to a full figure. Yes for lab reports and poster boards if axes, units and a source line are present. Excel or Google Sheets or PowerPoint; export SVG/PDF.
Do not rely on hue alone. Label directly and check greyscale. Pie & donut: honour angle (and area) of a circle slice, and switch when many similar slices, 3-D pie, or comparing two pies. The core mark of Pie & donut is angle (and area) of a circle slice. two to five parts that sum to a meaningful whole
The eye compares length and position more accurately than area. PowerPoint, Excel or Google Sheets and Meta, Google and retail print share the same geometry. Decoration rarely persuades; it slows reading. Perspective distortion wrecks comparison. Keep it flat. Do not stack stories. One Pie & donut, one claim.
Keep axis, unit, and year. If “Fit” is the axis, the figure is 1801 and the year is 1801. Keep Pie & donut with “Fit” and 1801 from 1801. 18011801
Figures to keep
- Year of the chart
- 1801
- Axis figure
- 1801
- Chart
- Pie & donut
- How to read it
- Fit