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        Data visualization is viewed as a visual communication means. A clear and efficient data visualization will tell a story of the data that it represents. Use this Data Nudge as a guide to help you visualize your data using best practices for four most commonly used charts.

 

Keep the following in mind when designing a chart:

               • Keep it simple                             • Label for clarity
               • Choose color carefully                  • Avoid 3D graphs

Compare data across categories

  1. Choose bar orientation for easy comparison
  2. Sort categories purposefully
  3. Start the axis at zero

Show change in data over time

  1. Keep lines clean
  2. Limit the number of lines
  3. Use consistent time intervals along the x-axis

Display categories as parts of a whole

  1. Move clockwise from largest to smallest slice
  2. Aim for fewer than six slices
  3. Don't force comparisons across pie charts

Demonstrate variable relationship

  1. Ensure all data points are visible
  2. Consider using linear or logarithmic scale
  3. Consider including a trendline for readability

 

* Here is a printable guide.

 
 
 

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