Replacing and removing
In the last exercise, you saw that the phone column of sfo_survey is plagued with unnecessary parentheses and hyphens. The customer support team has requested that all phone numbers be in the format "123 456 7890". In this exercise, you'll use your new stringr skills to fulfill this request.
dplyr and stringr are loaded and sfo_survey is available.
Deze oefening maakt deel uit van de cursus
Cleaning Data in R
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Remove parentheses from phone column
phone_no_parens <- sfo_survey$phone %>%
# Remove "("s
___(fixed(___)) %>%
# Remove ")"s
___