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An R package for ensemble learning stacking.

Taichi Nukui1, Akio Onogi1

  • 1Department of Life Sciences, Faculty of Agriculture, Ryukoku University, Otsu, Shiga 520-2194, Japan.

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This study introduces an R package for stacking, an ensemble learning method that enhances prediction accuracy in biology. The package simplifies complex stacking procedures for improved biological data analysis.

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Area of Science:

  • Computational Biology
  • Machine Learning in Biology

Background:

  • Supervised learning is crucial for biological predictions.
  • Ensemble learning, particularly stacking, enhances prediction accuracy and stability.

Purpose of the Study:

  • To develop an R package for implementing stacking in biological data analysis.
  • To simplify the process of training and prediction using stacking.

Main Methods:

  • Developed an R package named 'stacking' that leverages the 'caret' package.
  • Implemented a stacking procedure involving cross-validation, base learners, and a meta-learner.
  • Designed the package to handle models supported by 'caret'.

Main Results:

  • The 'stacking' R package facilitates straightforward implementation of stacking.
  • The package streamlines both training and prediction phases of stacking.
  • Scripts for reproducing results are available on GitHub.

Conclusions:

  • The developed R package offers an accessible tool for applying stacking in biological research.
  • This facilitates the use of advanced ensemble learning techniques for improved predictive modeling in biology.