Results 21 to 30 of about 24,465 (256)
Unobserved population heterogeneity [PDF]
Demographic Research, 2014 Background: Survival models accounting for unobserved heterogeneity (frailty models) play an importantrole in mortality research, yet there is no article that concisely summarizes useful relationships. Objective: We present a list of important mathematical relationships that govern populations in which individuals differ from each other in unobserved ...
James W. Vaupel, Trifon I. Missov
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Quantifying the Impact of Unobserved Heterogeneity on Inference from the Logistic Model [PDF]
Communications in Statistics - Theory and Methods, 2009 Ayis S.
exaly +2 more sources
Detection of unobserved heterogeneity with growth mixture models
Revista de Matemática: Teoría y Aplicaciones, 2009 Latent growth curve models as structural equation models are extensively discussed in various research fields (Duncan et al., 2006). Recent methodological and statistical extension are focused on the consideration of unobserved heterogeneity in ...
Jost Reinecke, Luca Mariotti
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Unobserved heterogeneity in work absence
The European Journal of Health Economics, 2018 Labour absenteeism may be detrimental to firms and society because of the economic costs, organizational problems and production cuts that it involves. Although involuntary absenteeism due to accident or illness that prevents workers from performing their work is unavoidable, avoidable voluntary absenteeism may also emerge due to asymmetric information
Suárez Fernández, María José +1 more
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Observed and Un-Observed Covariate Effects on Baseline Hazard Rate - Case study: Jajarm Bauxite Mine [PDF]
مجله مدل سازی در مهندسی, 2019 In the mining industry, different departments undertake the control task of a system. The failure data from different sections in a variety of formats are collected in different times and operation conditions and these heterogeneity problems will result ...
Reza Barabadi +3 more
doaj +1 more source
On Two Mixture-Based Clustering Approaches Used in Modeling an Insurance Portfolio
Risks, 2018 We review two complementary mixture-based clustering approaches for modeling unobserved heterogeneity in an insurance portfolio: the generalized linear mixed cluster-weighted model (CWM) and mixture-based clustering for an ordered stereotype model (OSM).
Tatjana Miljkovic +1 more
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Unobserved heterogeneity of dynamic capability and sustainable performance of dairy microfirms
South African Journal of Economic and Management Sciences, 2023 Background: Scholars have examined populations within firms and found that managers and employees exhibit similar characteristics in the relationship between dynamic capability drivers and sustainable performance.
Maulid H. Bwabo +2 more
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Journal of Statistical Software, 2023 The existence of latent clusters with different responses to a treatment is a major concern in scientific research, as latent effect heterogeneity often emerges due to latent or unobserved features - e.g., genetic characteristics, personality traits, or
Diogo Ferrari
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Unobserved Heterogeneity in Panel Time Series Models [PDF]
SSRN Electronic Journal, 2004 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Jerry Coakley +2 more
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Spare-part management in a heterogeneous environment.
PLoS ONE, 2021 Spare-part management has a significant effect on the productivity of mining equipment. The required number of spare parts can be estimated using failure and repair data collected under the name of reliability data.
Reza Barabadi +3 more
doaj +1 more source