Round any number to a specified number of places, with 5's being rounded up.
Details
Rounds to 0 decimal places by default.
You can use a negative value for the decimal places. For example: -1 would round to the nearest 10 -2 would round to the nearest 100 and so on.
This is as an alternative to round in base R, which uses a bankers round. For more information see the round() documentation.