DataTerminology.comNEW
Series of similar charts sharing scales to compare multiple subsets or variables clearly.
DESCRIPTION
Small multiples arrange identical chart types with consistent scales, enabling side-by-side comparisons across categories or time. They reduce cognitive load by preserving visual encodings, making differences readily apparent. The technique is widely used for dashboards, newspapers, and exploratory analysis. Compared to animation, small multiples support static, high-density comparison without temporal memory constraints. Effective use depends on carefully chosen scales, layout, and labeling to avoid clutter.
ALTERNATIVE DEFINITIONS
Wikipedia
Small multiples are a series of similar graphs or charts using the same scale and axes, allowing them to be easily compared.
Concise and focuses on consistent scales and ease of comparison.
Data To Viz
Small multiples display a set of charts with the same structure to compare different groups or time periods.
Highlights structural consistency across groups or periods.
RELATED TERMS
Faceting Trellis Plot Panel Chart Comparative Visualization Sparklines Consistency of Scales Edward Tufte Dashboard Design
COMPETING TERMS
Animated Visualization
KNOWLEDGE AREAS
Data Visualization Data Science
TARGET AUDIENCE
BI Specialist Data Analyst Data Scientist UI-UX Designer
EXTERNAL SOURCES
- Wikipedia - Small multiples
- Vega-Lite - Faceting documentation
- ggplot2 - Facet wrap reference
- Matplotlib - Subplots tutorial
TOP QUESTIONS
Why use small multiples?
They enable quick comparisons across categories with consistent visual encoding and scales.
Category: Relevancy
How do small multiples compare to animation?
They allow side-by-side static comparison, avoiding memory strain from sequential frames in animation.
Category: Alternatives
What charts work well as small multiples?
Line charts, bar charts, and area charts with aligned axes are common choices.
Category: Best Practices
What are common mistakes with small multiples?
Inconsistent scales, overcrowded layouts, and poor labeling undermine clarity.
Category: Mistakes
How many panels are too many?
Balance density and readability; consider grouping or paging beyond a dozen panels.
Category: Opinion
Can small multiples show uncertainty?
Yes. Include bands or error bars consistently across panels.
Category: Application
What design principles aid small multiples?
Use consistent scales, minimal ink, and sufficient whitespace for clarity.
Category: Best Practices
Where are small multiples commonly used?
Dashboards, reports, and media infographics for comparative analysis.
Category: Overview
How to implement small multiples in code?
Use faceting features in ggplot2, Vega-Lite, or subplot grids in Matplotlib.
Category: How-To