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Visualizing Data: Overcoming Common Midterm Mapping Issues

Addressing issues in midterms mapping such as competing colors, symbols, layout challenges, and classification errors for effective data interpretation. Learn how to create hierarchy, symbols differentiation, and optimal labeling for clear visuals.

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Visualizing Data: Overcoming Common Midterm Mapping Issues

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  1. Midterms….. Common issues

  2. COLORS: Too many competing colors - Difficult to interpret > what’s the focus?

  3. COLORS: These colors draw attention to the background and not study areas. Also, the level of deal is greater in the background than in the focus area. Create a hierarchy; brightest colors should highlight key areas, background areas should be neutral

  4. Colors too Similar > difficult to see difference between map and the ocean COLORS: Maps should be the focus and take up the majority of a slide LAYOUT: LABELS: Edit labels! No repeats, No overlapping!

  5. SYMBOLS: Too many competing symbols

  6. GRADUATED SYMBOLS: Difficult to differentiate between symbols • Use more exaggerated symbols and different colors

  7. STREET LABELS: Too few Too many

  8. STREET LABELS: Layer Properties> Labels

  9. STREET LABELS:

  10. Projection Issues: Buffers are oval Map appears stretched

  11. CLASSIFICATION (Population): • Comparing groups but using different breaks. • Breaks have no meaning

  12. CLASSIFICATION (Income): • Round to an appropriate number of significant digits.

  13. CLASSIFICATION (Income): ** Income can be used to look at a general picture, however if the emphasis is on the poor, then the usual eligibility categories are based on AMI (Average Median Income). Income can then be set at 50% of AMI, 100% of AMI, etc This is a more reasonable use of income. Income data can also be used to focus on the wealthiest, poorest or middle class 25% AMI 50% AMI 100% or more AMI

  14. CLASSIFICATION (Income):

  15. CLASSIFICATION (Income):

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