Sorry. OK .try this one.
Still hard.
data have;
input ID year month months_continuous bef_3months aft_12_months;
cards;
68 2009 1 1 0 0
68 2009 2 2 0 0
68 2009 3 3 0 0
68 2009 4 4 0 0
68 2009 5 5 0 0
68 2009 6 6 0 0
68 2009 7 7 0 0
68 2009 8 8 1 0
68 2009 9 9 1 0
68 2009 10 10 1 0
68 2009 11 11 0 1
68 2010 1 13 0 1
68 2010 2 14 0 1
68 2010 3 15 0 1
68 2010 4 16 0 1
68 2010 5 17 0 1
68 2010 6 18 0 1
68 2010 7 19 0 1
68 2010 8 20 0 1
68 2010 9 21 0 1
68 2010 10 22 0 1
68 2010 11 23 0 1
72 2009 1 1 0 0
72 2009 2 2 0 0
72 2009 3 3 1 0
72 2009 4 4 1 0
72 2009 5 5 1 0
72 2009 6 6 0 1
72 2009 7 7 0 1
72 2009 8 8 0 1
72 2009 9 9 0 1
72 2009 10 10 0 1
72 2009 11 11 0 1
72 2010 1 13 0 1
72 2010 2 14 0 1
72 2010 3 15 0 1
72 2010 4 16 0 1
72 2010 5 17 0 1
72 2010 6 18 0 1
;
run;
proc sort data=have;by id months_continuous;run;
data x1(keep=id month rename=(month=_month));
set have;
if bef_3months=0 and lag(bef_3months)=1;
run;
data x2;
merge have x1;
by id;
run;
data temp;
set x2;
by id;
retain flag 1;
if bef_3months = 1 or aft_12_months = 1 then do;n=months_continuous-_month;output;end;
drop _month;
run;
proc transpose data=temp out=temp1(drop=_:) prefix=mon;
by id months_continuous ;
var flag;
id n;
idlabel n;
run;
data temp2;
merge have temp1 ;
by id months_continuous;
run;
proc stdize data=temp2 missing=0 out=want reponly;run;
proc sql noprint;
select translate(cats('mon',label),'_','-') into : list separated by ' '
from dictionary.columns
where libname='WORK' and memname='WANT' and label is not missing
order by input(strip(label),best32.);
quit;
data want;
retain ID year month months_continuous bef_3months aft_12_months
&list ;
set want;
run;
Xia Keshan
Message was edited by: xia keshan
Message was edited by: xia keshan Still hard
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