calculating seconds

I'm looking at some data which has the time in seconds since 
1992/10/8,
15:15:42.5

Are there any functions currently available to "translate" 
this or should I just do my own?

strptime() goes from date formats to seconds.

For going the other way, see ?DateTimeClasses  for a lot of information on dates and times, and (probably) ?as.POSIXct for changing something in seconds (as the Examples say, 'a large integer') into a date-time class which you should be able to convert to other things more easily.

S Ellison

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