To fetch date difference without knowing end date.

[Nishant_saxena]

I have following data set and want to calculate number of years from 31 march 2014 for each record from couponexpiry column.(USING INTCK FUNCTION)

Please revert with working solutions as soon as possible

thanks

storeid	hlthfood	size	org	custid	gender	shopfor	veg	style	usecoup	week	seq	carry	coupval	amtspent	couponexpiry
1	0	2	2	1	0	1	0	1	3	1	4	0	4	215.28	20/02/2014
1	0	2	2	1	0	1	0	1	3	2	4	4	3	0	21/02/2014
1	0	2	2	1	0	1	0	1	3	3	4	3	2	192.81	22/02/2014
1	0	2	2	1	0	1	0	1	3	4	4	2	1	8.24	23/02/2014
1	0	2	2	2	0	1	0	1	3	1	3	0	3	16.71	24/02/2014
1	0	2	2	2	0	1	0	1	3	2	3	3	1	171.91	25/02/2014
1	0	2	2	2	0	1	0	1	3	3	3	1	4	12.82	26/02/2014

[RW9]

Post test data in the form of a datastep for next time, follow:

https://communities.sas.com/t5/SAS-Communities-Library/How-to-create-a-data-step-version-of-your-dat...

You code should look something like:

data want;
  set have;
  years=intck('year','31MAR2014'd,couponexpiry);
run;

[ballardw · Accepted solution]

Adding a bit to @RW9

Your couponexpiry date variable would have to be a SAS date valued numeric. If your current value is character you will need to create a date value using input(couponexpiry,ddmmyy10.) before any calculations.

And the literal date used, '31MAR2014'd has to be in that form. You cannot use '31/04/2014' or 04/31/2014' or someother data appearance. It must be as displayed by either the SAS Date9. or Date7. format when using a literal value.

[Nishant_saxena]

This solution is working.

Thanks a lot