Effective data visualization

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Effective Visualization

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Visual Analysis

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Visual Analysis

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Visual AnalysisPosition

Color Size/Area

Shape

(and text)

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Dashboard Best Practices

Be clear, not interesting

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Dashboard Best Practices

Some charts rarely work well:There’s nothing you can say with a pie chart…

That you can’t say better with a bar chart

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Dashboard Best Practices

Some charts rarely work well:Especially when your dimension has lots of values:

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Dashboard Best Practices

Other charts to avoid:

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Dashboard Best PracticesIf it doesn’t add, it subtracts

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Dashboard Best PracticesUse text sparingly, and be conscious of its size

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Dashboard Best PracticesUse color to differentiate, but only when you need to

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Dashboard Best PracticesUse color to differentiate, but only when you need to

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Dashboard Best Practices

Use color to differentiate, but only when you need to

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Dashboard Best PracticesDon’t display data redundantly

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Dashboard Best Practices

Certain charts work well for certain kinds of analysis:Comparing the value of a measure across one or several dimensions:

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Dashboard Best Practices

Certain charts work well for certain kinds of analysis:Comparing the value of multiple measures across one dimension:

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Dashboard Best Practices

Certain charts work well for certain kinds of analysis:Comparing change over time of one or several measures

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Dashboard Best Practices

Certain charts work well for certain kinds of analysis:Comparing change over time of one measure, with a small dimension

Comparing change over time of one measure, with a large dimension

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Dashboard Best PracticesCertain charts work well for certain kinds of analysis:

Percent change, plus current value

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Dashboard Best Practices

Certain charts work well for certain kinds of analysis:Variance with even data: Variance with uneven data:

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Dashboard Best Practices

Certain charts work well for certain kinds of analysis:

Variance with uneven data: “Progress” with uneven data:

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Dashboard Best Practices

Be clear, not interesting

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Resources

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