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shiftamt
2003 Apr 27
2
Basic date time arithmetics operations
Hello,
For basic date time arithmetics operations, AFAK, there're
actually the function difftime() and the (dt + num) operations.
I'm wondering if other basic operations exist, like
add(dt, num, unit) where unit would be "y", "q", "m", etc.
Also for the function seq.dates (or seq.POSIXt), the
case for by="months" would be more useful if it
2003 Apr 27
2
Basic date time arithmetics operations
Hello,
For basic date time arithmetics operations, AFAK, there're
actually the function difftime() and the (dt + num) operations.
I'm wondering if other basic operations exist, like
add(dt, num, unit) where unit would be "y", "q", "m", etc.
Also for the function seq.dates (or seq.POSIXt), the
case for by="months" would be more useful if it