How can color and size be effectively used in data visualization?
- Color and size should always be varied to make the graph interesting
- Color and size should be used sparingly to avoid confusing the audience
- Color can be used to represent categories or express quantities, size can represent quantities
- Color should be used for quantities and size for categories
Color and size are powerful tools in data visualization. Color can be used to distinguish between different categories or express quantities, using either a sequential or diverging scheme. Size can be used to represent quantities, allowing patterns and outliers to be visually apparent. However, these should be used with care to avoid overwhelming or confusing the audience.
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