August 2017
Beginner to intermediate
334 pages
8h 22m
English
When grouping multiple subplots, it is more intuitive to start from left to right, and top to bottom. As our eyes are on the same level, we have a wider horizontal field of view of 200° than the vertical 135°. It is much easier to draw a mental straight line within the same view to compare the levels, than to remember the position on an upper graph and look down for comparison. The horizontal-then-vertical arrangement reduces eye saccades which are known to cause "change blindness". Hence, it is more intuitive to place plots to be compared horizontally where possible, and let the readers scroll down row by row.
Within one graph, data series should also be ordered logically. For example, when we are ...
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