calculate one year before the date

[Smitha9]

Hi,

I have a dataset:

ID DOB

1   09/07/2003

2  10/03/2004

3  08/08/2003

I want dataset One year Before:

ID   DOB

1     09/07/2002

2     10/03/2003

3      08/08/2002

thanks in advance.

[novinosrin · Accepted solution]

data have;
input ID DOB :ddmmyy10.;
format dob ddmmyy10.;
cards;
1   09/07/2003

2  10/03/2004

3  08/08/2003
;

data want;
 set have;
 want =intnx('year',dob,-1,'s');
 format want ddmmyy10.; 
run;