R4DS-2e Ch. 28

format()

{base}

format object for pretty printing

is.na()

{base}

determine whether elements of vector are missing

kable()

{knitr}

create knitr table

filter()

{dplyr}

keep rows based on values of columns

read_csv()

{readr}

read comma delimited files

mutate()

{dplyr}

create or modify data columns

The end!