Alternative coding strategies and the inapplicable data coding problem

  • Seitz V
  • Garcia S
  • Liston A
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A comprehensive overview of the relationship of alternative coding strategies to the inapplicable data coding problem is presented. In contrast to Pleijel, who argued that the presence/absence coding method (coding each observable feature as a separate character) avoids problems with non-applicable states, we show that the problem of inapplicable data is the same, no matter whether observable features are coded as separate characters or as two or more states of a character. The inapplicable data problem is concealed in presence/ absence coding if the distinction between inapplicable and absent data is not made.

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  • Volkhard Seitz

  • Sol Ortiz Garcia

  • Aaron Liston

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