Araştırma Makalesi

Residual Modelling as a New Approach for Variable Selection

Sayı: 10 31 Aralık 2024
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Residual Modelling as a New Approach for Variable Selection

Öz

Variable selection in statistical model building still has challenges to overcome as the depth and breadth of the research data is expanding. To help reduce this challenge, we introduce a new approach in variable selection, called residual modeling, which can be applicable regardless of the number of predictors. We compare the statistical power and type-1 error retainment of the forward, backward, and stepwise variable selection approaches with the proposed modeling strategy controlling for known predictors. In Residual Modeling, each predictor enters the model as a single predictor, whose resulting residuals become the dependent variable for the next predictor, and so on. We compare these models under different scenarios with varying sample sizes and various combinations of significant and insignificant predictors. When there exist known predictors from the literature, in identifying new significant predictors controlling for these known predictors, Residual Modelling shows higher statistical power especially as the number of predictors increases compared to the other variable selection methods used. It also has reduced bias in parameter estimation and reduced standard errors. The Type-1 error was retained at its nominal level for Residual Modelling while forward, backward, and stepwise variable selection approaches had slightly reduced Type-1 Error rates. When dealing with multiple predictors in the presence of known significant predictors, Residual Modelling offers a practical solution without causing loss of statistical power or increased Type-1 Error Rate.

Anahtar Kelimeler

Destekleyen Kurum

TUBİTAK-BİDEB-2232 International Fellowship for Outstanding Researchers (Award No: 118C306)

Etik Beyan

Our research protocol was approved by Istanbul Medipol University Ethics Committee (Application number: 10840098-604.01.01-E.53819)

Teşekkür

This study was partially funded by TUBITAK Directorate of Science Fellowships and Grant Programmes (BİDEB)-2232 International Fellowship for Outstanding Researchers. We also thank the Turkish Republic Ministry of Commerce and Turkish Statistical Institute for data sharing. The opinions raised in this article solely belong to its authors, and does not represent the position of TUBITAK, Turkish Republic Ministry of Commerce and Turkish Statistical Institute in any shape or form.

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

Biyoistatistik

Bölüm

Araştırma Makalesi

Erken Görünüm Tarihi

24 Aralık 2024

Yayımlanma Tarihi

31 Aralık 2024

Gönderilme Tarihi

30 Temmuz 2024

Kabul Tarihi

24 Kasım 2024

Yayımlandığı Sayı

Yıl 2024 Sayı: 10

Kaynak Göster

APA
Koçak, A. N., Daşdelen, M. F., & Koçak, M. (2024). Residual Modelling as a New Approach for Variable Selection. Journal of Statistics and Applied Sciences, 10, 86-95. https://doi.org/10.52693/jsas.1525029
AMA
1.Koçak AN, Daşdelen MF, Koçak M. Residual Modelling as a New Approach for Variable Selection. JSAS. 2024;(10):86-95. doi:10.52693/jsas.1525029
Chicago
Koçak, Aslı Nurefşan, Muhammet Furkan Daşdelen, ve Mehmet Koçak. 2024. “Residual Modelling as a New Approach for Variable Selection”. Journal of Statistics and Applied Sciences, sy 10: 86-95. https://doi.org/10.52693/jsas.1525029.
EndNote
Koçak AN, Daşdelen MF, Koçak M (01 Aralık 2024) Residual Modelling as a New Approach for Variable Selection. Journal of Statistics and Applied Sciences 10 86–95.
IEEE
[1]A. N. Koçak, M. F. Daşdelen, ve M. Koçak, “Residual Modelling as a New Approach for Variable Selection”, JSAS, sy 10, ss. 86–95, Ara. 2024, doi: 10.52693/jsas.1525029.
ISNAD
Koçak, Aslı Nurefşan - Daşdelen, Muhammet Furkan - Koçak, Mehmet. “Residual Modelling as a New Approach for Variable Selection”. Journal of Statistics and Applied Sciences. 10 (01 Aralık 2024): 86-95. https://doi.org/10.52693/jsas.1525029.
JAMA
1.Koçak AN, Daşdelen MF, Koçak M. Residual Modelling as a New Approach for Variable Selection. JSAS. 2024;:86–95.
MLA
Koçak, Aslı Nurefşan, vd. “Residual Modelling as a New Approach for Variable Selection”. Journal of Statistics and Applied Sciences, sy 10, Aralık 2024, ss. 86-95, doi:10.52693/jsas.1525029.
Vancouver
1.Aslı Nurefşan Koçak, Muhammet Furkan Daşdelen, Mehmet Koçak. Residual Modelling as a New Approach for Variable Selection. JSAS. 01 Aralık 2024;(10):86-95. doi:10.52693/jsas.1525029