Times and Dates

Question 1

How can we get the current date and time in R?

Answer 1

Sys.Date() and Sys.time()

Question 2

What are the classes of dates and times in R?

Answer 2

Date and POSIXct

Question 3

Which function converts a character string into a date?

Answer 3

as.Date()

Ex: as.Date(“1971-06-14”)

Question 4

How can you modify dates and times?

Answer 4

You can do normal arithmetic on them, using numerics.