title: Converting day of week from integer to character string in R
body: <p>I have a dataset that contains days of the week of events as numbers (1-7, 1 is Monday...7 is Sunday). I've converted it to the days of the week that a user would understand (Monday, Tuesday, etc) by just replacing every instance of 1 with Monday (etc) in that row. Is there a library that would do this for me more cleanly?</p>