BookmarkSubscribeRSS Feed
Rahul_SAS
Quartz | Level 8

Hi All,

 

I have the data like 

ExposureId

LimitId

CollateralId

1

L1

C1

2

L1

C2

3

L2

C1

4

L2

C3

5

L3

C4

6

L3

C5

7

L4

C6

8

L5

C5

 

and want the output like 

ExposureId

LimitId

CollateralId

1

L1

C1

2

L1

C2

3

L2

C1

4

L2

C3

5

L3

C4

6

L3

C5

7

L4

C6

8

L5

C5

 

Please help.

2 REPLIES 2
Rahul_SAS
Quartz | Level 8
ignore the previous output...i want output like..
ExposureId LimitId CollateralId ClusterId
1 L1 C1 1
2 L1 C2 1
3 L2 C1 1
4 L2 C3 1
5 L3 C4 2
6 L3 C5 2
7 L4 C6 3
8 L5 C5 2

Thank You
Ksharp
Super User

Assuming there are not misisng value in any one of limitid and collateralid.

 

data x;
 input ExposureId LimitId $ CollateralId $ ;
cards;
1 L1 C1 
2 L1 C2 
3 L2 C1 
4 L2 C3 
5 L3 C4 
6 L3 C5 
7 L4 C6 
8 L5 C5 
;
run;
data have;
 set x(rename=(LimitId=from CollateralId=to));
 keep from to;
run;
data full;
  set have end=last;
  if _n_ eq 1 then do;
   declare hash h();
    h.definekey('node');
     h.definedata('node');
     h.definedone();
  end;
  output;
  node=from; h.replace();
  from=to; to=node;
  output;
  node=from; h.replace();
  if last then h.output(dataset:'node');
  drop node;
run;


data want(keep=node household);
declare hash ha(ordered:'a');
declare hiter hi('ha');
ha.definekey('count');
ha.definedata('last');
ha.definedone();
declare hash _ha(hashexp: 20);
_ha.definekey('key');
_ha.definedone();

if 0 then set full;
declare hash from_to(dataset:'full(where=(from is not missing and to is not missing))',hashexp:20,multidata:'y');
 from_to.definekey('from');
 from_to.definedata('to');
 from_to.definedone();

if 0 then set node;
declare hash no(dataset:'node');
declare hiter hi_no('no');
 no.definekey('node');
 no.definedata('node');
 no.definedone();
 

do while(hi_no.next()=0);
 household+1; output;
 count=1;
 key=node;_ha.add();
 last=node;ha.add();
 rc=hi.first();
 do while(rc=0);
   from=last;rx=from_to.find();
   do while(rx=0);
     key=to;ry=_ha.check();
      if ry ne 0 then do;
       node=to;output;rr=no.remove(key:node);
       key=to;_ha.add();
       count+1;
       last=to;ha.add();
      end;
      rx=from_to.find_next();
   end;
   rc=hi.next();
end;
ha.clear();_ha.clear();
end;
stop;
run;

data final_want;
 if _n_=1 then do;
  if 0 then set want;
  declare hash h(dataset:'want');
  h.definekey('node');
  h.definedata('household');
  h.definedone();
 end;
set x;
call missing(household);
rc=h.find(key:LimitId);
drop rc node;
run;

sas-innovate-2024.png

Join us for SAS Innovate April 16-19 at the Aria in Las Vegas. Bring the team and save big with our group pricing for a limited time only.

Pre-conference courses and tutorials are filling up fast and are always a sellout. Register today to reserve your seat.

 

Register now!

How to Concatenate Values

Learn how use the CAT functions in SAS to join values from multiple variables into a single value.

Find more tutorials on the SAS Users YouTube channel.

Click image to register for webinarClick image to register for webinar

Classroom Training Available!

Select SAS Training centers are offering in-person courses. View upcoming courses for:

View all other training opportunities.

Discussion stats
  • 2 replies
  • 663 views
  • 0 likes
  • 2 in conversation