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Rethinking the Handling of Method Failure in Comparison Studies
Milena Wünsch1,2, Moritz Herrmann1,2, Elisa Noltenius3
1Institute for Medical Information Processing, Biometry, and Epidemiology, Faculty of Medicine, LMU Munich, Munich, Germany.
Method failure in comparison studies is common but poorly handled. This paper offers guidance on appropriate methods for handling and reporting failures, improving data analysis reliability.
Area of Science:
- Methodological Research
- Data Analysis
- Statistical Modeling
Background:
- Comparison studies are crucial for selecting appropriate methods in data analysis.
- Method failure, such as non-convergence, is a frequent challenge in these studies.
- Current guidance on handling method failure is limited, and reporting is often neglected.
Purpose of the Study:
- To provide practical guidance on handling method failure in comparative studies.
- To address the lack of standardized approaches for dealing with method failure.
- To improve the trustworthiness and interpretability of comparison study results.
Main Methods:
- Review of common practices for handling method failure in published comparison studies.
- Analysis of classical statistics and predictive modeling approaches.
- Development of recommendations based on realistic considerations and user behavior.
Main Results:
- Existing methods like data set discarding and imputation are often inappropriate for handling method failure.
- Method failure should be viewed as a complex interplay of factors, not just a manifestation.
- Recommended strategies include fallback options reflecting real-world user actions.
Conclusions:
- Inadequate handling of method failure can lead to misleading results in comparison studies.
- Adopting recommended handling and reporting strategies enhances the reliability of evidence-based method selection.
- The study provides a framework for more robust and realistic comparison studies.
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