Converting Date formats in R [closed]

Answer 1

If you just want to render your dates in this format, then use format:

x <- as.Date("2016-01-01")
format(x, "%Y %b %a %d")

[1] "2016 Jan Fri 01"

There is a separation of concerns here. If you already have your date information stored in R as date types, then you need not change anything internally to extract further information from those dates.

Demo