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FFTrees: A toolbox to create, visualize, and evaluate fast-and-frugal decision trees

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  • Phillips, Nathaniel D.
  • Neth, Hansjörg
  • Woike, Jan K.
  • Gaissmaier, Wolfgang

Abstract

Fast-and-frugal trees (FFTs) are simple algorithms that facilitate efficient and accurate decisions based on limited information. But despite their successful use in many applied domains, there is no widely available toolbox that allows anyone to easily create, visualize, and evaluate FFTs. We fill this gap by introducing the R package FFTrees. In this paper, we explain how FFTs work, introduce a new class of algorithms called fan for constructing FFTs, and provide a tutorial for using the FFTreespackage. We then conduct a simulation across ten real-world datasets to test how well FFTs created by FFTreescan predictdata. Simulation results show that FFTs created by FFTreescan predict data as well as popular classification algorithms such as regression and random forests, while remaining simple enough for anyone to understand and use.

Suggested Citation

  • Phillips, Nathaniel D. & Neth, Hansjörg & Woike, Jan K. & Gaissmaier, Wolfgang, 2017. "FFTrees: A toolbox to create, visualize, and evaluate fast-and-frugal decision trees," EconStor Open Access Articles and Book Chapters, ZBW - Leibniz Information Centre for Economics, vol. 12(4), pages 344-368.
    • Handle: RePEc:zbw:espost:201523
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    Cited by:

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    4. Bornmann, Lutz & Ganser, Christian & Tekles, Alexander, 2022. "Simulation of the h index use at university departments within the bibliometrics-based heuristics framework: Can the indicator be used to compare individual researchers?," Journal of Informetrics, Elsevier, vol. 16(1).
    5. Jan Niederreiter, 2023. "Broadening Economics in the Era of Artificial Intelligence and Experimental Evidence," Italian Economic Journal: A Continuation of Rivista Italiana degli Economisti and Giornale degli Economisti, Springer;Società Italiana degli Economisti (Italian Economic Association), vol. 9(1), pages 265-294, March.
    6. repec:cup:judgdm:v:17:y:2022:i:3:p:598-627 is not listed on IDEAS
    7. Philipp Lorenz-Spreen & Stephan Lewandowsky & Cass R. Sunstein & Ralph Hertwig, 2020. "How behavioural sciences can promote truth, autonomy and democratic discourse online," Nature Human Behaviour, Nature, vol. 4(11), pages 1102-1109, November.

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