Charting and Visual Encoding

These are the studies and readings that we discussed in class regarding visual encoding of your data:

Summary findings of encodings, from most accurate to least accurate:

  1. Position
  2. Length
  3. Angle
  4. Area
  5. Density and color saturation
  6. Color hue

Know some of the common chart types:

  • Bar charts: Trends for categories
  • Line charts: Trends for continuous series/continuous changes between x-axis (time series)
  • Scatter plot: correlation
  • Bubble plot: scatter plot + additional variable
  • Pie chart: show proportions
  • Area charts/stacked graphs: proportions
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