Research output per year
Research output per year
- 32 results
Search results
-
2023
Bi-factor and second-order copula models for item response data
Kadhem, S. H. & Nikoloulopoulos, A. K., Mar 2023, In: Psychometrika. 88, p. 132-157 26 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Citation (Scopus)5 Downloads (Pure) -
Efficient and feasible inference for high-dimensional normal copula regression models
Nikoloulopoulos, A. K., Mar 2023, In: Computational Statistics & Data Analysis. 179, 107654.Research output: Contribution to journal › Article › peer-review
Open AccessFile21 Downloads (Pure) -
Factor tree copula models for item response data
Kadhem, S. H. & Nikoloulopoulos, A. K., Sep 2023, In: Psychometrika. 88, 3, p. 776-802 27 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Downloads (Pure) -
2022
An one-factor copula mixed model for joint meta-analysis of multiple diagnostic tests
Nikoloulopoulos, A. K., Jul 2022, In: Journal of the Royal Statistical Society: Series A. 185, 3, p. 1398-1423 26 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile27 Downloads (Pure) -
The bivariate K-finite normal mixture 'blanket' copula
Nikoloulopoulos, A. K., 2022, In: Journal of Statistical Computation and Simulation. 92, 6, p. 1224-1245 22 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile8 Downloads (Pure) -
2021
Factor copula models for mixed data
Kadhem, S. H. & Nikoloulopoulos, A. K., Nov 2021, In: British Journal of Mathematical and Statistical Psychology. 74, 3, p. 365-403 39 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Citations (Scopus)44 Downloads (Pure) -
2020
A multinomial quadrivariate D-vine copula mixed model for meta-analysis of diagnostic studies in the presence of non-evaluable subjects
Nikoloulopoulos, A. K., Oct 2020, In: Statistical Methods in Medical Research. 29, 10, p. 2988-3005 18 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile7 Citations (Scopus)23 Downloads (Pure) -
An extended trivariate vine copula mixed model for meta-analysis of diagnostic studies in the presence of non-evaluable outcomes
Nikoloulopoulos, A. K., Nov 2020, In: International Journal of Biostatistics. 16, 2, 14 p., 20190107.Research output: Contribution to journal › Article › peer-review
Open AccessFile3 Citations (Scopus)8 Downloads (Pure) -
Weighted scores estimating equations and CL1 information criteria for longitudinal ordinal response
Nikoloulopoulos, A. K., 24 Jun 2020, In: Journal of Statistical Computation and Simulation. 90, 11, p. 2002-2022 21 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Citations (Scopus)7 Downloads (Pure) -
2019
A D-vine copula mixed model for joint meta-analysis and comparison of diagnostic tests
Nikoloulopoulos, A. K., 1 Oct 2019, In: Statistical Methods in Medical Research. 28, 10-11, p. 3286-3300 15 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Citations (Scopus)28 Downloads (Pure) -
Coupling couples with copulas: analysis of assortative matching on risk attitude
Nikoloulopoulos, A. K. & Moffatt, P., Jan 2019, In: Economic Inquiry. 57, 1, p. 654-666 13 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile5 Citations (Scopus)32 Downloads (Pure) -
2018
Hybrid copula mixed models for combining case-control and cohort studies in meta-analysis of diagnostic tests
Nikoloulopoulos, A. K., 1 Aug 2018, In: Statistical Methods in Medical Research. 27, 8, p. 2540-2553 14 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile6 Citations (Scopus)13 Downloads (Pure) -
On composite likelihood in bivariate meta-analysis of diagnostic test accuracy studies
Nikoloulopoulos, A. K., Apr 2018, In: AStA Advances in Statistical Analysis. 102, 2, p. 211-227 17 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile6 Citations (Scopus)20 Downloads (Pure) -
2017
A vine copula mixed effect model for trivariate meta-analysis of diagnostic test accuracy studies accounting for disease prevalence
Nikoloulopoulos, A. K., 1 Oct 2017, In: Statistical Methods in Medical Research. 26, 5, p. 2270-2286Research output: Contribution to journal › Article › peer-review
Open AccessFile26 Citations (Scopus)13 Downloads (Pure) -
2016
Correlation structure and variable selection in generalized estimating equations via composite likelihood information criteria
Nikoloulopoulos, A. K., 30 Jun 2016, In: Statistics in Medicine. 35, 14, p. 2377-2390 14 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile3 Citations (Scopus)17 Downloads (Pure) -
Efficient estimation of high-dimensional multivariate normal copula models with discrete spatial responses
Nikoloulopoulos, A. K., Feb 2016, In: Stochastic Environmental Research and Risk Assessment. 30, 2, p. 493-505Research output: Contribution to journal › Article › peer-review
Open AccessFile20 Citations (Scopus)10 Downloads (Pure) -
2015
A mixed effect model for bivariate meta-analysis of diagnostic test accuracy studies using a copula representation of the random effects distribution
Nikoloulopoulos, A. K., 20 Dec 2015, In: Statistics in Medicine. 34 , 29, p. 3842-3865 24 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile31 Citations (Scopus)15 Downloads (Pure) -
Factor copula models for item response data
Nikoloulopoulos, A. K. & Joe, H., Mar 2015, In: Psychometrika. 80, 1, p. 126-150Research output: Contribution to journal › Article › peer-review
Open AccessFile10 Downloads (Pure) -
2013
On the estimation of normal copula discrete regression models using the continuous extension and simulated likelihood
Nikoloulopoulos, A. K., Nov 2013, In: Journal of Statistical Planning and Inference. 143, 11, p. 1923-1937 15 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile32 Citations (Scopus)9 Downloads (Pure) -
Predicting dependent binary outcomes through logistic regressions and meta-elliptical copulas
Genest, C., Nikoloulopoulos, A. K., Rivest, L-P. & Fortin, M., 2013, In: Brazilian Journal of Probability and Statistics. 27, 3, p. 265-284 19 p.Research output: Contribution to journal › Article › peer-review
22 Citations (Scopus) -
2012
Vine copulas with asymmetric tail dependence and applications to financial return data
Nikoloulopoulos, A. K., Joe, H. & Li, H., Nov 2012, In: Computational Statistics and Data Analysis. 56, 11, p. 3659-3673 15 p.Research output: Contribution to journal › Article › peer-review
152 Citations (Scopus) -
2011
Weighted scores method for regression models with dependent data
Nikoloulopoulos, A. K., Joe, H. & Chaganty, N. R., Oct 2011, In: Biostatistics. 12, 4, p. 653-665 13 p.Research output: Contribution to journal › Article › peer-review
15 Citations (Scopus) -
2010
Modeling multivariate count data using copulas
Nikoloulopoulos, A. K. & Karlis, D., 2010, In: Communications in Statistics: Simulation and Computation. 39, 1, p. 172-187 16 p.Research output: Contribution to journal › Article › peer-review
50 Citations (Scopus) -
Regression in a copula model for bivariate count data
Nikoloulopoulos, A. K. & Karlis, D., 2010, In: Journal of Applied Statistics. 37, 9, p. 1555-1568 14 p.Research output: Contribution to journal › Article › peer-review
29 Citations (Scopus) -
Tail dependence functions and vine copulas
Joe, H., Li, H. & Nikoloulopoulos, A. K., Jan 2010, In: Journal of Multivariate Analysis. 101, 1, p. 252-270 19 p.Research output: Contribution to journal › Article › peer-review
190 Citations (Scopus) -
2009
Extreme value properties of multivariate t copulas
Nikoloulopoulos, A. K., Joe, H. & Li, H., 2009, In: Extremes. 12, 2, p. 129-148 20 p.Research output: Contribution to journal › Article › peer-review
96 Citations (Scopus) -
Finite normal mixture copulas for multivariate discrete data modeling
Nikoloulopoulos, A. K. & Karlis, D., 1 Nov 2009, In: Journal of Statistical Planning and Inference. 139, 11, p. 3878-3890 13 p.Research output: Contribution to journal › Article › peer-review
31 Citations (Scopus) -
2008
Copula model evaluation based on parametric bootstrap
Nikoloulopoulos, A. K. & Karlis, D., 15 Mar 2008, In: Computational Statistics and Data Analysis. 52, 7, p. 3342-3353 12 p.Research output: Contribution to journal › Article › peer-review
34 Citations (Scopus) -
Fitting copulas to bivariate earthquake data: the seismic gap hypothesis revisited
Nikoloulopoulos, A. K. & Karlis, D., May 2008, In: Environmetrics. 19, 3, p. 251-269 19 p.Research output: Contribution to journal › Article › peer-review
25 Citations (Scopus) -
Multivariate logit copula model with an application to dental data
Nikoloulopoulos, A. K. & Karlis, D., Dec 2008, In: Statistics in Medicine. 27, 30, p. 6393-6406 14 p.Research output: Contribution to journal › Article › peer-review
37 Citations (Scopus) -
On modeling count data: a comparison of some well-known discrete distributions
Nikoloulopoulos, A. K. & Karlis, D., 2008, In: Journal of Statistical Computation and Simulation. 78, 3, p. 437-457 21 p.Research output: Contribution to journal › Article › peer-review
38 Citations (Scopus) -
2006
Short-term effects of ambient particles on cardiovascular and respiratory mortality
Analitis, A., Katsouyanni, K., Dimakopoulou, K., Samoli, E., Nikoloulopoulos, A. K., Petasakis, Y., Touloumi, G., Schwartz, J., Anderson, H., Cambra, K., Forastiere, F., Zmirou, D., Vonk, J., Clancy, L., Kriz, B., Bobvos, J. & Pekkanen, J., Mar 2006, In: Epidemiology. 17, 2, p. 230-233 4 p.Research output: Contribution to journal › Article › peer-review
270 Citations (Scopus)