Opciones de acciones del dolar familiar
This coefficient can be interpreted as the goodness of the model in predicting the response from the covariates, similar to R 2 in linear regression. We have assumed approximate additivity in the proportion of variance explained by multiple factors, which is appropriate when these are not too large.
In a second step of the two part model, the variability in pharmacy costs restricted to patients with prescriptions were estimated using variance components analysis of linear mixed models as before. ACGs with less than 30 subjects were excluded from the analysis.