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Physics Maths Engineering

Regression with Ordered Predictors via Ordinal Smoothing Splines

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Nathaniel E. Helwig

Nathaniel E. Helwig


  Peer Reviewed

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© attribution CC-BY

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552 Views

Added on

2024-10-26

Doi: http://dx.doi.org/10.3389/fams.2017.00015

Related Subjects
Physics
Math
Chemistry
Computer science
Engineering
Earth science
Biology

Abstract

The article "Regression with Ordered Predictors via Ordinal Smoothing Splines" by Nathaniel E. Helwig addresses the challenges of incorporating ordered categorical predictors into regression models. Traditional regression frameworks often treat ordinal predictors as either nominal (unordered) or continuous variables, which can be theoretically and computationally undesirable. This study proposes using ordinal smoothing splines to model ordered predictors effectively. The author derives the analytical form of the ordinal smoothing spline reproducing kernel, introduces an isotonic regression estimator, and demonstrates the method's applicability in isotonic regression and semiparametric regression with multiple predictors. The results reveal that ordinal smoothing splines offer a flexible approach for incorporating ordered predictors in regression models and are invariant to any monotonic transformation of the predictor scores. ([frontiersin.org](https://www.frontiersin.org/articles/10.3389/fams.2017.00015/full))

Key Questions about Ordinal Smoothing Splines in Regression

1. How can ordered categorical predictors be effectively incorporated into regression models?

The study proposes using ordinal smoothing splines, which offer a flexible approach for modeling ordered predictors and are invariant to any monotonic transformation of the predictor scores. ([frontiersin.org](https://www.frontiersin.org/articles/10.3389/fams.2017.00015/full))

2. What is the analytical form of the ordinal smoothing spline reproducing kernel?

The author derives the analytical form of the ordinal smoothing spline reproducing kernel, providing a foundation for its application in regression analysis. ([frontiersin.org](https://www.frontiersin.org/articles/10.3389/fams.2017.00015/full))

3. How does the ordinal smoothing spline method compare to traditional regression approaches?

The study demonstrates that ordinal smoothing splines offer a more flexible and theoretically sound method for incorporating ordered predictors, addressing the limitations of treating them as nominal or continuous variables. ([frontiersin.org](https://www.frontiersin.org/articles/10.3389/fams.2017.00015/full))

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ARTICLE USAGE


Article usage: Oct-2024 to May-2025
Show by month Manuscript Video Summary
2025 May 134 134
2025 April 69 69
2025 March 67 67
2025 February 46 46
2025 January 96 96
2024 December 61 61
2024 November 63 63
2024 October 16 16
Total 552 552
Show by month Manuscript Video Summary
2025 May 134 134
2025 April 69 69
2025 March 67 67
2025 February 46 46
2025 January 96 96
2024 December 61 61
2024 November 63 63
2024 October 16 16
Total 552 552
Related Subjects
Physics
Math
Chemistry
Computer science
Engineering
Earth science
Biology
copyright icon

© attribution CC-BY

  • 0

rating
552 Views

Added on

2024-10-26

Doi: http://dx.doi.org/10.3389/fams.2017.00015

Related Subjects
Physics
Math
Chemistry
Computer science
Engineering
Earth science
Biology

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