Adrian O'Hagan
Adrian O'Hagan
Lecturer in Statistics and Actuarial Science, UCD Dublin
Verified email at ucd.ie - Homepage
TitleCited byYear
Clustering with the multivariate normal inverse Gaussian distribution
A O’Hagan, TB Murphy, IC Gormley, PD McNicholas, D Karlis
Computational Statistics & Data Analysis 93, 18-30, 2016
432016
Computational aspects of fitting mixture models via the expectation–maximization algorithm
A O’Hagan, TB Murphy, IC Gormley
Computational Statistics & Data Analysis 56 (12), 3843-3864, 2012
292012
Investigation of parameter uncertainty in clustering using a Gaussian mixture model via jackknife, bootstrap and weighted likelihood bootstrap
A O’Hagan, TB Murphy, L Scrucca, IC Gormley
Computational Statistics 34 (4), 1779-1813, 2019
82019
Improved model-based clustering performance using Bayesian initialization averaging
A O’Hagan, A White
Computational Statistics 34 (1), 201-231, 2019
32019
Model-Based and Nonparametric Approaches to Clustering for Data Compression in Actuarial Applications
A O’Hagan, C Ferrari
North American Actuarial Journal 21 (1), 107-146, 2017
32017
Motor insurance claim modelling with factor collapsing and Bayesian model averaging
S Hu, A O'Hagan, TB Murphy
Stat 7 (1), e180, 2018
22018
Actuarial Risk Matrices: The Nearest Positive Semidefinite Matrix Problem
S Cutajar, H Smigoc, A O’Hagan
North American Actuarial Journal 21 (4), 552-564, 2017
22017
Topics in model-based clustering and classification
A O'Hagan
University College Dublin, 2012
22012
Can’t Buy Me Love? Specific and Diffuse Reciprocity in International Relations
S Brazys, A O’Hagan, D Pankeπ, O Westerwinterφ
12017
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Articles 1–9