Analyzing and Visualizing data

AnalyzingandVisualizingDataCh61.pptx

Analyzing and Visualizing Data

Chapter 6

Data Representation

Introducing Visual Encoding

Data representation is the act of giving visual form to your data.

Viewers: When perceiving a visual display of data, it is decoded using the shapes, sizes, positions and colors to form an understanding

Visualizers: Doing the reverse through visual encoding, assigning visual properties to data values

Comprised of a combination of two properties

Marks: Visible features like dots, lines and areas

Attributes: Variations applied to the appearance of marks, such as size, position, or color.

Introducing Visual Encoding cont.

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Introducing Visual Encoding cont.

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Introducing Visual Encoding cont.

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Introducing Visual Encoding cont.

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Marks and Attributes are the ingredients, a chart type is the recipe offering a predefined template for displaying data.

Different chart types offer different ways of representing data.

Introducing Visual Encoding cont.

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Introducing Visual Encoding cont.

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Introducing Visual Encoding cont.

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Introducing Visual Encoding cont.

Chart Types

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Chart Types

Exclusions

Inclusions

Categorical comparisons

Dual families

Text visualization

Dashboard

Small multiples

A note about ‘storytelling’

Influencing Factors and Considerations

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