The role of cognitive functions in the diagnosis of bipolar disorder: a machine learning model

HO Sonkurt, AE Altınöz, E Çimen, F Köşger… - International Journal of …, 2021 - Elsevier
Background Considering the clinical heterogeneity of the bipolar disorder, difficulties are
encountered in making the correct diagnosis. Although a number of common findings have …

Incremental conic functions algorithm for large scale classification problems

E Cimen, G Ozturk, ON Gerek - Digital Signal Processing, 2018 - Elsevier
In order to cope with classification problems involving large datasets, we propose a new
mathematical programming algorithm by extending the clustering based polyhedral conic …

Polyhedral conic kernel-like functions for SVMs

G Öztürk, E Cimen - Turkish Journal of Electrical Engineering …, 2019 - journals.tubitak.gov.tr
In this study, we propose a new approach that can be used as a kernel-like function for
support vector machines (SVMs) in order to get nonlinear classification surfaces. We …

A random subspace based conic functions ensemble classifier

E Cimen - Turkish Journal of Electrical Engineering and …, 2020 - journals.tubitak.gov.tr
Classifiers overfit when the data dimensionality ratio to the number of samples is high in a
dataset. This problem makes a classification model unreliable. When the overfitting problem …

A machine learning approach for the land-type classification

A Kumar, T Choudhary - Innovations in Electrical and Electronic …, 2021 - Springer
Land-type classification is an essential aspect of resource planning, and correctly classifying
a land type can play a crucial role in designing and executing efficient utilization of land …

A new approach based on regression analysis and mathematical programming to multi-group classification problems

M DOĞAN, A Orman, M Örkcü… - Journal of the Faculty of …, 2019 - avesis.gazi.edu.tr
In this study, for solving multi-group classification problems, a new two-stage hybrid
classification method based on regression analysis and mathematical programming has …

[PDF][PDF] Çok gruplu sınıflandırma problemlerine regresyon analizi ve matematiksel programlama tabanlı yeni bir yaklaşım

Mİ Doğan, A Orman, M Örkcü… - … Mimarlık Fakültesi Dergisi, 2019 - dergipark.org.tr
Bu çalışmada, çok gruplu sınıflandırma problemlerinin çözümü için regresyon analizi ve
matematiksel programlamaya dayalı iki aşamalı yeni bir hibrit sınıflandırma yöntemi …

[CITATION][C] Optimization based predictive methods for large scale data

E Çimen - PhD, Eskişehir Technical University, Graduate School …, 2018