Search results

(1 - 8 of 8)

Title: Robust Poisson likelihood estimation for frailty Cox models: A simulation study
Source: Communications in Statistics - Simulation and Computation
Date: 2017
Author: Elghafghuf, Adel; Stryhn, Henrik
Genre: Journal Article
Volume: 46
Issue: 4
Start Page: 2907
DOI: 10.1080/03610918.2015.1066806

Title: Correlated versus uncorrelated frailty Cox models: A comparison of different estimation procedures
Source: Biometrical Journal
Date: 2016
Author: Elghafghuf, Adel; Stryhn, Henrik
Genre: Journal Article
Volume: 58
Issue: 5
Start Page: 1198
DOI: 10.1002/bimj.201500066

Title: Comparison of methods for fitting Cox models with random herd and treatment-by-herd effects
Source: Islamic Countries Conference on Statistical Sciences 2012 (ICCS-12)
Date: 2013
Author: Elghafghuf, Adel; Stryhn, Henrik
Genre: Conference Proceedings
Abstract: In many veterinary studies, including clinical trials and epidemiological investigations, data are clustered into groups such as herds. When such...
Volume: 23
Start Page: 367
ISBN: 9789698858117

Title: Semiparametric hierarchical proportional hazards models with applications to animal health data
Date: 2014
Author: Elghafghuf, Adel I.
Genre: Dissertation/Thesis
Abstract: This thesis discusses and applies hierarchical models for survival data in the field of veterinary medicine. The focus is on hierarchical...
Thesis Supervisor: Stryhn, Henrik
Publisher: University of Prince Edward Island
Publication Status: PUBLISHED

Title: A cross-classified and multiple membership Cox model applied to calf mortality data
Source: Preventive Veterinary Medicine
Date: 2014
Author: Elghafghuf, Adel; Stryhn, Henrik; Waldner, Cheryl
Genre: Journal Article
Abstract: A cross-classified and multiple membership Cox model was applied to calf mortality data from Western Canada, where 23,409 calves from 174 herds...
Volume: 115
Issue: 1-2
Start Page: 29
DOI: 10.1016/j.prevetmed.2014.03.012

Title: Survival analysis of clinical mastitis data using a nested frailty Cox model fit as a mixed-effects Poisson model
Source: Preventive Veterinary Medicine
Date: 2014
Author: Elghafghuf, Adel; Dufour, Simon; Reyher, Kristen; Dohoo, Ian; Stryhn, Henrik
Genre: Journal Article
Abstract: Mastitis is a complex disease affecting dairy cows and is considered to be the most costly disease of dairy herds. The hazard of mastitis is a...
Volume: 117
Issue: 4
Start Page: 456
DOI: 10.1016/j.prevetmed.2014.09.013

Title: Using state-space models to predict the abundance of juvenile and adult sea lice on Atlantic salmon
Source: Epidemics
Date: 2018
Author: Elghafghuf, Adel; Vanderstichel, Raphael; St-Hilaire, Sophie; Stryhn, Henrik
Genre: Journal Article
Volume: 24
Start Page: 76
DOI: 10.1016/j.epidem.2018.04.002
Publication Status: PUBLISHED

Title: Estimating sea lice infestation pressure on salmon farms: Comparing different methods using multivariate state-space models
Source: Epidemics
Date: 2020
Author: Elghafghuf, Adel; Vanderstichel, Raphael; Hammell, Larry; Stryhn, Henrik
Genre: Journal Article
Abstract: Sea lice are ectoparasites of salmonids, and are considered to be one of the main threats to Atlantic salmonfarming. Sea lice infestation on a farm...
Volume: 31
Start Page: 100394
DOI: 10.1016/j.epidem.2020.100394
Publication Status: PUBLISHED

Robertson Library