Folks:
 
If you need to determine the difference between 2 dates in months, the best solution is described by David Reiner, below.
 
Phil Smith
CDC

	-----Original Message----- 
	From: davidr@rhotrading.com [mailto:davidr@rhotrading.com] 
	Sent: Fri 3/10/2006 3:52 PM 
	To: Smith, Phil; r-help@stat.math.ethz.ch 
	Cc: 
	Subject: RE: [R] difference between 2 dates: IN MONTHS the way Mothers compute it
	
	

	I just solved this for dealing with deliverables for the CBOT's treasury
	futures.
	
	    length(seq(from=x, to=y, by="months"))-1
	
	David L. Reiner
	
	
	> -----Original Message-----
	> From: r-help-bounces@stat.math.ethz.ch [mailto:r-help-
	> bounces@stat.math.ethz.ch] On Behalf Of Smith, Phil
	> Sent: Friday, March 10, 2006 12:20 PM
	> To: r-help@stat.math.ethz.ch
	> Subject: [R] difference between 2 dates: IN MONTHS the way Mothers
	compute
	> it
	>
	> Hi R-people:
	>
	> I need a function to compute the number of months between 2 dates, in
	the
	> same way a mother would do it.
	>
	> For example, if a kid is born on February 6, the number of months
	between
	> that date and March 7 is exactly 1 month, although it is only 29 days.
	>
	> Thank you!
	> Phil Smith
	> CDC
	>
	>
	>
	>
	>       [[alternative HTML version deleted]]
	>
	> ______________________________________________
	> R-help@stat.math.ethz.ch mailing list
	> https://stat.ethz.ch/mailman/listinfo/r-help
	> PLEASE do read the posting guide! http://www.R-project.org/posting-
	> guide.html
	
	


	[[alternative HTML version deleted]]