[2021] Auckland - STATS 787 Data Visualisation - Final Exam - Q3 Effective Data Visualisation
3. [10 marks]
(a) [5 marks]
This question relates to the data visualisation below.
For each of the following "Effective Data Visualisation" guidelines, write a paragraph explaining how the guideline is being used in this data visualisation and whether that guideline is making the data visualisation more effective.
• Small multiples.
• Redundant coding.
• The principle of proportional ink.
• The data-ink ratio.
(b) [5 marks]
This question relates to the data visualisation below.
For each of the following questions of interest, write a paragraph explaining which perceptual visual tasks or \channels" are involved with answering the question using the data visualisation above.
• Is there a trend towards younger or older ages over time?
• Do the females tend to be younger or older than the males?
• Which age occurs most often?
The list of visual tasks/channels for continuous values are: Position on common scale; Position on unaligned scale; Length; Angle; Area; Lightness (of colour); Saturation (of colour).
The list of visual tasks/channels for categorical values are: Position (in 2D space); Hue (of colour); Shape
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