Graphics Reference
In-Depth Information
Word cloud
Data variables : 1 x categorical, 1 x quantitative-ratio.
Visual variables : Size.
Description : Word clouds depict the frequency of words used in a given set of text.
The font size indicates the quantity of each word's usage. Color is often just used
as decoration (which you'll notice actually distorts the visual prominence). While
it's fair to say they are becoming something of a ubiquitous visual commodity, they
can be useful for exploring datasets for the first time in order to identify key terms
being used. If you feel compelled to use word clouds, the best advice is to ensure the
underlying text being used is carefully prepared in advance to reduce the noise. A
word cloud is shown here:
Assessing hierarchies and part-to-whole
relationships
The following examples present chart types that help us to assess hierarchical and
part-to-whole relationships.
Pie chart
Data variables : 1 x categorical, 1 x quantitative-ratio.
Visual variables : Angle, area, color-hue.
 
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