hello I want to know why when I use the function "svyglm" for a logistic regression I get the AIC: NA. The code and the result is mestran below:
mod2<-svyglm(APES_DICOT~Nivel_Educativo+Ocupacion_principal+Afiliacion_salud+Tiene_cuidador+Presencia_enfer_cronica+ Consumo_tabaco+Consumo_alcohol+Presencia_Dolor+ABC_fis+ABC_instr+Anergia+Actividad_fisica_ultimo_año+ Disminucion_fuerza_agarre+Hospitalizacion_ultimo_año+Urgencias_ultimo_año+Miedo_caer,design=Muestra.comp, family=quasibinomial(link="logit")) error or warning: Degrees of Freedom: 282 Total (i.e. Null); 28 Residual (32 observations deleted due to missingness) Null Deviance: 323 Residual Deviance: 186.9 AIC: NA thanks [[alternative HTML version deleted]]
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