Cleaning columns

select()

{dplyr}

keep specified columns

mutate()

{dplyr}

create or modify data columns

rename()

{dplyr}

rename columns

rowwise()

{dplyr}

compute on a data frame a row-at-a-time

ends_with()

{tidyselect}

match column names that end with string

relocate()

{dplyr}

change column order

contains()

{tidyselect}

match column names that contain string

everything()

{tidyselect}

select all variables

if_else()

{dplyr}

vectorized if statement that checks conditionals and returns different outputs based on answer

starts_with()

{tidyselect}

match column names that begin with string

case_when()

{dplyr}

conditionally set values across multiple conditions

across()

{dplyr}

apply transformation across multiple columns

The end!