Search Results - "Ceyhan, Elvan"

Classification using proximity catch digraphs by Manukyan, Artür, Ceyhan, Elvan

“…We employ random geometric digraphs to construct semi-parametric classifiers. These data-random digraphs belong to parameterized random digraph families called…”
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On the Number of Weakly Connected Subdigraphs in Random kNN Digraphs by Bahadır, Selim, Ceyhan, Elvan

“…We study the number of copies of a weakly connected subdigraph of the k nearest neighbor ( k NN) digraph based on data from certain random point processes in R…”
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Density of a random interval catch digraph family and its use for testing uniformity by Ceyhan, Elvan

“…* We consider (arc) density of a parameterized interval catch digraph (ICD) family with random vertices residing on the real line. The ICDs are random digraphs…”
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Testing Spatial Symmetry Using Contingency Tables Based on Nearest Neighbor Relations by Ceyhan, Elvan

“…We consider two types of spatial symmetry, namely, symmetry in the mixed or shared nearest neighbor (NN) structures. We use Pielou’s and Dixon’s symmetry tests…”
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Statistical modeling of single target cell encapsulation by Moon, SangJun, Ceyhan, Elvan, Gurkan, Umut Atakan, Demirci, Utkan

“…High throughput drop-on-demand systems for separation and encapsulation of individual target cells from heterogeneous mixtures of multiple cell types is an…”
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Reduced anterior cingulate gray matter volume and thickness in subjects with deficit schizophrenia by Takayanagi, Mizuho, Wentz, Jacqueline, Takayanagi, Yoichiro, Schretlen, David J, Ceyhan, Elvan, Wang, Lei, Suzuki, Michio, Sawa, Akira, Barta, Patrick E, Ratnanather, J. Tilak, Cascella, Nicola G

“…Abstract Background Patients with deficit schizophrenia (D-SZ) differ from patients with the non-deficit form of schizophrenia (ND-SZ) in several aspects such…”
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Morphometry of superior temporal gyrus and planum temporale in schizophrenia and psychotic bipolar disorder by Ratnanather, J. Tilak, Poynton, Clare B, Pisano, Dominic V, Crocker, Britni, Postell, Elizabeth, Cebron, Shannon, Ceyhan, Elvan, Honeycutt, Nancy A, Mahon, Pamela B, Barta, Patrick E

“…Abstract Structural abnormalities in temporal lobe, including the superior temporal gyrus (STG) and planum temporale (PT), have been reported in schizophrenia…”
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Deep cerebral venous abnormalities in premature babies with GMH-IVH: a single-centre retrospective study by Kent, Thomas, Sinha, Vikash, Ceyhan, Elvan, Sura, Livia, Yekeler, Ensar, Weiss, Michael David, Albayram, Mehmet

“…PurposeGerminal matrix haemorrhage/intraventricular haemorrhage (GMH-IVH) is a multifactorial injury with both anatomic and haemodynamic involvement. Normal…”
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The comparison of parametric and nonparametric bootstrap methods for reference interval computation in small sample size groups by Coskun, Abdurrahman, Ceyhan, Elvan, Inal, Tamer C., Serteser, Mustafa, Unsal, Ibrahim

“…According to the IFCC, to determine the population-based reference interval (RI) of a test, 120 reference individuals are required. However, for some age…”
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Morphometric differences in planum temporale in schizophrenia and bipolar disorder revealed by statistical analysis of labeled cortical depth maps by Ratnanather, J Tilak, Cebron, Shannon, Ceyhan, Elvan, Postell, Elizabeth, Pisano, Dominic V, Poynton, Clare B, Crocker, Britni, Honeycutt, Nancy A, Mahon, Pamela B, Barta, Patrick E

“…Differences in cortical thickness in the lateral temporal lobe, including the planum temporale (PT), have been reported in MRI studies of schizophrenia (SCZ)…”
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Frequency of Nerve Root Sleeve Cysts in Autosomal Dominant Polycystic Kidney Disease by Aşık, Murat, Tufan, Fatih, Akpınar, Timur Selçuk, Akalın, Nilgül, Ceyhan, Elvan, Tunç, Necmeddin, Hasıloğlu, Zehra Işık, Altıparmak, Mehmet Rıza, Ecder, Tevfik, Albayram, Sait

“…There is sporadic data about the occurrence of spinal meningeal cysts in patients with autosomal dominant polycystic kidney disease (ADPKD). We suggest that…”
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Domination number of an interval catch digraph family and its use for testing uniformity by Ceyhan, Elvan

“…We consider a special type of interval catch digraph (ICD) for one-dimensional data in a randomized setting and propose its use for testing uniformity. These…”
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Segregation indices for disease clustering by Ceyhan, Elvan

“…Spatial clustering has important implications in various fields. In particular, disease clustering is of major public concern in epidemiology. In this article,…”
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Metric distances between hippocampal shapes indicate different rates of change over time in nondemented and demented subjects by Ceyhan, Elvan, Beg, Mirza Faisal, Ceritoğlu, Can, Wang, Lei, Morris, John C, Csernansky, John G, Miller, Michael I, Ratnanather, J Tilak

“…In this article, we use longitudinal morphometry (shape and size) measures of hippocampus in subjects with mild dementia of Alzheimer type (DAT) and…”
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Quantization and analysis of hippocampal morphometric changes due to dementia of Alzheimer type using metric distances based on large deformation diffeomorphic metric mapping by Ceyhan, Elvan, Beg, Mirza Faisal, Cerito˜glu, Can, Wang, Lei, Morris, John C, Csernansky, John G, Miller, Michael I, Ratnanather, J.Tilak

“…Abstract The metric distance obtained from the large deformation diffeomorphic metric mapping (LDDMM) algorithm is used to quantize changes in morphometry of…”
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Edge density of new graph types based on a random digraph family by Ceyhan, Elvan

“…We consider two types of graphs based on a family of proximity catch digraphs (PCDs) and study their edge density. In particular, the PCDs we use are a…”
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Simulation and characterization of multi-class spatial patterns from stochastic point processes of randomness, clustering and regularity by Ceyhan, Elvan

“…Spatial pattern analysis of data from multiple classes (i.e., multi-class data) has important implications. We investigate the resulting patterns when classes…”
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A Radiological Study on the Topographical Relationships between the Vestibular, Cochlear and Facial Nerves by Unel, Sacide, Yilmaz, Mehmet, Albayram, Sait, Kiris, Adem, Isik, Zehra, Ceyhan, Elvan, Isildak, Huseyin, Savas, Yildiray, Keser, Zafer

“…The purpose of our study was to investigate the topographical relationship between these nerves along their course from the brainstem through the internal…”
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A new correlation coefficient for bivariate time-series data by Erdem, Orhan, Ceyhan, Elvan, Varli, Yusuf

“…The correlation in time series has received considerable attention in the literature. Its use has attained an important role in the social sciences and…”
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Nearest neighbor methods for testing reflexivity by Ceyhan, Elvan, Bahadır, Selim

“…Nearest neighbor (NN) methods are widely employed for drawing inferences about spatial point patterns of two or more classes. We introduce a method for testing…”
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