as_reliable             Reliable conversion to another data type
check_df                Special checks
convert                 Convert data type of columns
could_this_be_that      Tests is a vector could be of another data type
create_dummy            Create a simple dummy
cumulative_             cumulative_
find_in_df              Special filters
given                   given
if_else_                if_this_else_that_
math ignore NA in math funs
                        Ignore NA in math
n_unique count unique elements
                        n_unique
rationalize             Only allow rational values in numeric vectors
                        'rationalize' transforms all numeric elements
                        to be rational values or NA, thus removes all
                        'NaN,Inf' and replaces them with 'NA'.
repeat_df               repeat_df
replacers               replacemnt and specials
retype                  Return simple data types
s                       Make vector shorter and simpler
set_wd_to_script_path   Set wd to script path
this_date               this_date
wrapper - s and summary funs
                        Combine aggregate functions and s
