Objective: This study aims to compare the accuracy, reliability, and validity levels of the techniques by using various performance measures applying logistic regression models based on regularization approaches from data mining classification techniques on a dataset. Material and Methods: With the development of computerization and technology, machine learning is used in many fields as well as in the field of medicine. It has grown in popularity, particularly in cancer diagnosis. A urine biomarkers dataset from the public platform Kaggle database, which is freely available to all researchers, was used to reveal the most appropriate model for diagnosing patients' pancreatic ductal adenocarcinoma (PDAC). Because of the multicollinearity, the following regression models were considered to classify the disease diagnosis: Logistic lasso, logistic ridge, logistic elastic net, logistic adaptive lasso, logistic adaptive elastic net, and logistic adaptive group lasso. The classification success of the methods used was compared using reliability and validity criteria. Results: There were three statistically significant variables in all logistic regularization models, according to PDAC diagnostic results. Compared to the estimated model results, the logistic adaptive group lasso regression model appears to perform better in PDAC diagnosis. In addition to the three variables in this model, the variables age and plasma CA19-19 have been identified as important variables in PDAC diagnosis. Conclusion: As a result of comparative analyses, the logistic adaptive group lasso regression model outperformed the others in terms of performance measures.
Keywords: Logistic regression; regularization methods; lasso; adaptive group lasso
Amaç: Bu çalışma, veri madenciliği sınıflandırma tekniklerinden düzenlileştirme yaklaşımlarına dayalı lojistik regresyon modellerini bir veri kümesi üzerinde uygulayarak tekniklerin doğruluk, güvenirlik ve geçerlilik düzeylerini çeşitli performans ölçüleri aracılığıyla karşılaştırmayı amaçlamaktadır. Gereç ve Yöntemler: Makineleşmenin ve teknolojinin gelişmesiyle makine öğrenmesi tıp alanında olduğu gibi birçok alanda kullanılmaktadır. Özellikle kanser teşhisi konusunda artan bir kullanıma sahiptir. Çalışmada pankreatik duktal adenokarsinomunu (PDAC) teşhis etmede en uygun modeli ortaya çıkarmak amacıyla tüm araştırmacıların kullanımına ve erişimine açık olarak sunulan Kaggle veri tabanından bir idrar biyobelirteçleri veri kümesi kullanıldı. Veri kümesindeki değişkenler arasında çoklu doğrusal bağıntı problemi olması nedeniyle, hastalık teşhisini sınıflandırmada lojistik lasso, lojistik ridge, lojistik elastik ağ, lojistik uyarlamalı lasso, lojistik uyarlamalı elastik ağ ve lojistik uyarlamalı grup lasso regresyon modelleri ele alınmıştır. Kullanılan modeller sınıflandırma başarısı, güvenirlik ve geçerlik kriterleri kullanılarak karşılaştırılmıştır. Bulgular: Tüm düzenlileştirme tahmin modellerindeki PDAC teşhisi sonuçlarına göre istatistiksel olarak anlamlı bulunan üç değişken belirlenmiştir. Tahmin edilen model sonuçları karşılaştırıldığında, PDAC teşhisinde lojistik uyarlamalı grup lasso regresyon modelinin daha iyi sonuç verdiği görülmektedir. Bu modelde tüm modellerde anlamlı bulunan değişkenlere ilave olarak yaş ve plazma CA19-19 değişkenlerinin de önemli değişkenler olarak belirlendiği görülmektedir. Sonuç: Karşılaştırmalı analizler sonucunda performans ölçülerine göre lojistik uyarlamalı grup lasso regresyon modelinin en iyi performansı gösterdiği gözlenmiştir.
Anahtar Kelimeler: Lojistik regresyon; düzenlileştirme yöntemleri; lasso; uyarlamalı grup lasso
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