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    • Automatic regrouping of strata in the goodness-of-fit chi-square test 

      Núñez-Antón, Vicente; Pérez-Salamero, Juan Manuel; Regúlez-Castillo, Marta; Ventura-Marco, Manuel; Vidal-Meliá, Carlos (Institut d'Estadística de Catalunya, 2019-06-11)
      Open Access
      Pearson’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 ...