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Núñez-Antón, Vicente ; Pérez Salamero González, Juan Manuel ; Regúlez Castillo, Marta ; Ventura-Marco, Manuel ; Vidal Meliá, Carlos | Institut d'Estadística de Catalunya (Idescat) | 2019Pearson’s chi-square test is widely employed in social and health sciences to analyse categorical data and contingency tables. For the test to be valid, the sample size must be large enough to provide a minimum number of expected elements per ca[...]texto impreso
Pérez-Salamero González, Juan Manuel ; Regúlez Castillo, Marta ; Vidal Meliá, Carlos | Facultad de Ciencias Económicas y Empresariales. Escuela de Estudios Cooperativos | 2021The aim of this paper is to examine differences in life expectancy (LE) between selfemployed (SE) and paid employee (PE) workers when they become retirement pensioners, looking at levels of pension income using administrative data from Spanish s[...]texto impreso
Núñez Antón, Vicente ; Pérez Salamero González, Juan Manuel ; Regúlez Castillo, Marta ; Vidal Meliá, Carlos | Facultad de Ciencias Económicas y Empresariales. Instituto Complutense de Análisis Económico (ICAE) | 2019This paper develops an optimization model for selecting a large subsample that improves the representativeness of a simple random sample previously obtained from a population larger than the population of interest. The problem formulation involv[...]
