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Chap 4,5,6 - VDQI - Coggle Diagram
Chap 4,5,6 - VDQI
Five principles in data graphics
Above all else show the data
Eliminate non-data detail
Maximize the data-ink ratio
Data-ink is non-erasable core of the graphic
Erase non-data-ink
e.g., grids, ticks, framework,
Erase redundant data-ink
Bilateral symmetry e.g., box plot, open bar, Chernoff faces
Sometimes redundancy is important
Revise and edit
Chartjunk
Moire vibrations
Bad art/data graphics
Don't use this
Illusive, undisciplines, ambiguous, eye-straining quality, no place in graphical design
The Grid
Occupy space
Mute it
The duck
Unnecessary decoration not needed
Ornamental don;t make the graph attractive
Data-Ink maximization
Redesign box-plot
Quartile plot is better
Off-setting middle half also works
Parallel schemetic plot can also be redisigned by erasing many lines
Redesign bar chart/histogram
Box can be erased
Vertica axis can be erased keeping ticks only
Use of white grid
Thin baseline
Redesign scatter plot
Part of frame trimmed off making a range frame
Range frame into quartile plot
Dot-dash plot
Rug plot