Try:
networkdays - function(start, end, holidays)
{
dates - seq(as.Date(start), as.Date(end), by=day)
if(missing(holidays))holidays - 0 else holidays - length(holidays)
sum(as.numeric(format(dates, %w) 1)) - holidays
}
networkdays(2008-04-01, 2008-04-30)
networkdays(2008-04-01, 2008-04-30,
Hi,
Does anyone know if R has a built-in function that is similar to Excel's
NETWORKDAYS function? i.e., Returns the number of whole working days between
two dates. Working days exclude weekends.
Thanks,
--
Tom
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