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Khan, Zardad and Gul, Asma and Perperoglou, Aris and Miftahuddin, Miftahuddin and Mahmoud, Osama and Adler, Werner and Lausen, Berthold (2020) Ensemble of Optimal Trees, Random Forest and Random Projection Ensemble Classification. Advances in Data Analysis and Classification, 14 (1). pp. 97-116. DOI https://doi.org/10.1007/s11634-019-00364-9

Perperoglou, Aris and Sauerbrei, Willi and Abrahamowicz, Michal and Matthias, Schmid (2019) A review of spline function procedures in R. BMC Medical Research Methodology, 19 (1). 46-. DOI https://doi.org/10.1186/s12874-019-0666-3

Gul, Asma and Perperoglou, Aris and Khan, Zardad and Mahmoud, Osama and Miftahuddin, Miftahuddin and Adler, Werner and Lausen, Berthold (2018) Ensemble of a subset of kNN classifiers. Advances in Data Analysis and Classification, 12 (4). pp. 827-840. DOI https://doi.org/10.1007/s11634-015-0227-5

Utami Zuliana, Sri and Perperoglou, Aris (2017) Two dimensional smoothing via an optimised Whittaker smoother. Big Data Analytics, 2 (6). DOI https://doi.org/10.1186/s41044-017-0021-9

Perperoglou, Aris (2016) A special case of reduced rank models for identification and modelling of time varying effects in survival analysis. Statistics in Medicine, 35 (28). pp. 5135-5148. DOI https://doi.org/10.1002/sim.7088

Ponnusamy, Vennila and Perperoglou, Aris and Venkatesh, Vidheya and Curley, Anna and Brown, Nicholas and Tremlett, Catherine and Clarke, Paul (2014) Skin colonisation at the catheter exit site is strongly associated with catheter colonisation and catheter‐related sepsis. Acta Paediatrica, 103 (12). pp. 1233-1238. DOI https://doi.org/10.1111/apa.12779

Mahmoud, Osama and Harrison, Andrew and Perperoglou, Aris and Gul, Asma and Khan, Zardad and Metodiev, Metodi V and Lausen, Berthold (2014) A feature selection method for classification within functional genomics experiments based on the proportional overlapping score. BMC Bioinformatics, 15 (1). 274-. DOI https://doi.org/10.1186/1471-2105-15-274

Perperoglou, Aris (2014) Cox models with dynamic ridge penalties on time‐varying effects of the covariates. Statistics in Medicine, 33 (1). pp. 170-180. DOI https://doi.org/10.1002/sim.5921

Perperoglou, Aris (2013) Reduced rank hazard regression with fixed and time‐varying effects of the covariates. Biometrical Journal, 55 (1). pp. 38-51. DOI https://doi.org/10.1002/bimj.201100125

Pappas, D and Perperoglou, A (2012) Constrained matrix optimization with applications. Journal of Applied Mathematics and Computing, 40 (1-2). pp. 357-369. DOI https://doi.org/10.1007/s12190-012-0561-0

Chountasis, S and Katsikis, VN and Pappas, D and Perperoglou, A (2012) The whittaker smoother and the moore-penrose inverse in signal reconstruction. Applied Mathematical Sciences, 6 (25-28). pp. 1205-1219.

Perperoglou, Aris (2011) Fitting survival data with penalized Poisson regression. Statistical Methods & Applications, 20 (4). pp. 451-462. DOI https://doi.org/10.1007/s10260-011-0172-1

Perperoglou, Aris and Eilers, Paul HC (2010) Penalized regression with individual deviance effects. Computational Statistics, 25 (2). pp. 341-361. DOI https://doi.org/10.1007/s00180-009-0180-x

Petsios, Konstantinos Th and Priftis, Kostas N and Tsoumakas, Constantinos and Perperoglou, Aris and Hatziagorou, Elpida and Tsanakas, John N and Androulakis, Ioannis and Matziou, Vasiliki N (2009) Cough affects Quality of Life in asthmatic children aged 8-14 more than other asthma symptoms. Allergologia et Immunopathologia, 37 (2). pp. 80-88. DOI https://doi.org/10.1016/s0301-0546(09)71109-7

Blazadonakis, Michalis E and Perperoglou, Aris and Zervakis, Michalis (2007) Using a Single Neuron as a Marker Selector - A Breast Cancer Case Study. 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2007. pp. 4219-4222. DOI https://doi.org/10.1109/iembs.2007.4353267

Perperoglou, Aris and Keramopoullos, Antonis and van Houwelingen, Hans C (2007) Approaches in modelling long‐term survival: an application to breast cancer. Statistics in Medicine, 26 (13). pp. 2666-2685. DOI https://doi.org/10.1002/sim.2729

Perperoglou, Aris and van Houwelingen, Hans C and Henderson, Robin (2006) A relaxation of the gamma frailty (Burr) model. Statistics in Medicine, 25 (24). pp. 4253-4266. DOI https://doi.org/10.1002/sim.2675

Perperoglou, Aris and Cessie, Saskia le and van Houwelingen, Hans C (2006) Reduced-rank hazard regression for modelling non-proportional hazards. Statistics in Medicine, 25 (16). pp. 2831-2845. DOI https://doi.org/10.1002/sim.2360

Perperoglou, Aris and le Cessie, Saskia and van Houwelingen, Hans C (2006) A fast routine for fitting Cox models with time varying effects of the covariates. Computer Methods and Programs in Biomedicine, 81 (2). pp. 154-161. DOI https://doi.org/10.1016/j.cmpb.2005.11.006

Papantoniou, Vassilios J and Souvatzoglou, Michael A and Valotassiou, Varvara J and Louvrou, Androniki N and Ambela, Constantina and Koutsikos, John and Lazaris, Dimitrios and Christodoulidou, Julie K and Sotiropoulou, Maria G and Melissinou, Maria J and Perperoglou, Aris and Tsiouris, Spyridon and Zerva, Cherry J (2004) Relationship of cell proliferation (Ki-67) to 99mTc-(V)DMSA uptake in breast cancer. Breast Cancer Research, 6 (2). R56-R62. DOI https://doi.org/10.1186/bcr751

Medellin-Gasque, Rolando and Nordmark, Henrik and Mullen, Anthony and Citi, Luca and Perperoglou, Aris and Lausen, KB Modeling retail browsing sessions and wearables data. Archives of Data Science. (Submitted)

Monograph

Khan, Z and Gul, A and Perperoglou, A and Miftahuddin, M and Mahmoud, O and Adler, W and Lausen, B (2016) An Ensemble of Optimal Trees for Classification and Regression (OTE). UNSPECIFIED. Elsevier.

Conference or Workshop Item

Khan, Zardad and Gul, Asma and Mahmoud, Osama and Miftahuddin, Miftahuddin and Perperoglou, Aris and Adler, Werner and Lausen, Berthold (2016) An Ensemble of Optimal Trees for Class Membership Probability Estimation. In: UNSPECIFIED, ? - ?.

Gul, Asma and Khan, Zardad and Perperoglou, Aris and Mahmoud, Osama and Miftahuddin, Miftahuddin and Adler, Werner and Lausen, Berthold (2016) Ensemble of Subset of k-Nearest Neighbours Models for Class Membership Probability Estimation. In: UNSPECIFIED, ? - ?.

Zuliana, Sri Utami and Perperoglou, Aris (2016) The Weight of Penalty Optimization for Ridge Regression. In: UNSPECIFIED, ? - ?.

Vassiliou, Vassilis and Chin, Calvin and Perperoglou, Aris and Tse, Gary and Ali, Aamir and Raphael, Claire and Jabbour, Andrew and Newby, David and Pennell, Dudley and Dweck, Marc and Prasad, Sanjay (2014) 93 Ejection Fraction by Cardiovascular Magnetic Resonance Predicts Adverse Outcomes Post Aortic Valve Replacement. In: UNSPECIFIED, ? - ?.

Vassiliou, Vass and Raphael, Claire and Ali, Aamir and Perperoglou, Aris and Chin, Calvin and Nyktari, Eva and Alpendurada, Francisco and Jabbour, Andrew and Baksi, John and Murigu, Timothy and Joshi, Sanjiv and Wage, Ricardo and Kilner, Philip and Mohiaddin, Raad and Newby, David and Pennell, Dudley and Dweck, Marc and Prasad, Sanjay (2014) MIDWALL FIBROSIS AND LONG-TERM OUTCOME IN PATIENTS WITH AORTIC STENOSIS. In: UNSPECIFIED, ? - ?.