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Binning Methods for Data Smoothing

  • Sorted data for price (in dollars): 4, 8, 9, 15, 21, 21, 24, 25, 26, 28, 29, 34
  • * Partition into equal-frequency (equi-depth) bins:
  • - Bin 1: 4, 8, 9, 15
  • - Bin 2: 21, 21, 24, 25
  • - Bin 3: 26, 28, 29, 34
  • * Smoothing by bin means:
  • - Bin 1: 9, 9, 9, 9
  • - Bin 2: 23, 23, 23, 23
  • - Bin 3: 29, 29, 29, 29
  • * Smoothing by bin boundaries:
  • - Bin 1: 4, 4, 4, 15
  • - Bin 2: 21, 21, 25, 25
  • - Bin 3: 26, 26, 26, 34

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