age_categories          Create an age group variable
attack_rate             Rates and Ratios
fac_from_num            create factors from numbers
find_breaks             Automatically calculate breaks for a number
fmt_ci                  Helper to format confidence interval for text
fmt_count               Counts and proportions inline
rename_redundant        Cosmetically relabel all columns that contains
                        a certain pattern
unite_ci                Unite estimates and confidence intervals
