Convert Single Digit Month and Day to POSIXct

as.POSIXct('2/5/2010',format='%m/%d/%Y')

see ?strptime for formatting options.

In R, use

strptime('2/5/2010', "%m/%d/%Y")

The documentation of strptime is misleading.

%m and %d can deal with both single digit month R and dual dig