Article information
Resumen
Analizamos las tasas de mortalidad por dieciséis localizaciones tumorales en hombres, en las cincuenta provincias españolas, mediante dos técnicas descriptivas multivariantes de reducción de datos: el análisis factorial y el análisis de clusters. Se identificaron cinco factores independientes mediante el análisis factorial. El análisis de clusters agregó las provincias en diferentes grupos usando las puntuaciones factoriales como criterio de agrupación. Dichos grupos muestran un perfil distintivo de mortalidad para las diferentes localizaciones tumorales analizadas.
Palabras clave:
Mortalidad, cáncer
Análisis factorial
Análisis de clusters
Summary
Cancer mortality rates among males, for sixteen sites in the fifty Spanish provinces were analyzed using two data reduction techniques, factor and cluster analysis. Five independent underlying factors were identified by factor analysis which appear to influence cancer mortality patterns. Cluster analysis aggregated provinces into different groups using these factor scores as the clustering criteria. Each of the groups thus defined a distinctive profile of site-specific cancer mortality rates.
Key words:
Mortality cancer
Factorial analysis
Cluster analysis
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