catn                    Concatenate with new line
clear_warnings          Avoid repeated warnings
format_utc              Format Date and POSIXct
generate_install_file   Generates an R file to install packages used by
                        the project.
get_os                  Returns the name of the Operating System
get_packages            Get information about the package used in the
                        project
is.POSIXct              Is it a POSIXct object?
keep_at                 Keep or discard elements
keep_if_in              Keep elements present in x and not contained in
                        y
keep_if_not_in          Discard elements present in x and not contained
                        in y
now_utc                 Current time in UTC time zone
pull_with_names         Pull out a single column
seq_nrow                Creates a sequence based on the number of rows
                        or columns
setequal_na             Check if two vectors have the same elements
str1                    High level overview of the structure of an R
                        object
