Quantile estimation of the rejection distribution of food products integrating assessor values and interval-censored consumer data

Fitting parametric survival models with interval-censored data is a common task in survival analysis and implemented in many statistical software packages. Here, we present a novel approach to fit such models if the values on the scale of interest are measured with error. Random effects ANOVA models...

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Detalhes bibliográficos
Autores: Langohr, Klaus|||0000-0001-7075-9192, Gómez Melis, Guadalupe|||0000-0003-4252-4884, Hough, Guillermo
Formato: artículo
Fecha de publicación:2013
País:España
Recursos:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:117891
Acesso em linha:https://ddd.uab.cat/record/117891
Access Level:acceso abierto
Palavra-chave:Interval-censored data
Maximization of the likelihood function
Parametric survival model
Sensory shelf-life data
Descrição
Resumo:Fitting parametric survival models with interval-censored data is a common task in survival analysis and implemented in many statistical software packages. Here, we present a novel approach to fit such models if the values on the scale of interest are measured with error. Random effects ANOVA models are used to account for the measurement errors and the likelihood function of the parametric survival model is maximized with numerical methods. An illustration is provided with a real data set on the rejection of yogurt as a function of its acid taste.