# NOT RUN {
library(dplyr)
# Calculates the all categorical variables
all_var <- univar_category(heartfailure)
# Print univar_category class object
all_var
smoking <- univar_category(heartfailure, smoking)
# Print univar_category class object
smoking
# plot all variables
plot(all_var)
# plot smoking
plot(smoking)
# }
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