I have data set need to count column b values how many times it repeated in column a ?

[rajeshalwayswel]

I have data set need to count column b values how many times it repeated in column a data l; input a b; cards; 1 1 2 2 2 3 3 . 3 . 3 . 3 . run; Required output : a b 1 1 2 2 4 3

[Kurt_Bremser]

Could you PLEASE post your code properly, like this:

data l;
input a b;
cards;
1 1
2 2
2 3
3 .
3 .
3 .
3 .
;
run;

It's not rocket science, really.

Please state if the code above is what you intended.

[rajeshalwayswel]

sure...

[Patrick]

@rajeshalwayswel

Assuming "sure...." means yes, that's how I intended to post my code.

data l;
  input a b;
  cards;
1 1
2 2
2 3
3 .
3 .
3 .
3 .
;
run;

proc sql;
  create table want as
    select a, b, count(*) as cnt
      from l
        group by a,b
  ;
quit;

[rajeshalwayswel]

I have data set need to count column b values how many times it repeated in column a 


data l;
input a b;
cards;
1 1
2 2
2 3
3 .
3 .
3 .
3 .
run;


output :


a b

1 1
2 2
4 3

[Kurt_Bremser]

---

@rajeshalwayswel wrote:

I have data set need to count column b values how many times it repeated in column a 


data l;
input a b;
cards;
1 1
2 2
2 3
3 .
3 .
3 .
3 .
run;


output :


a b

1 1
2 2
4 3

---

Try this:

proc sql;
create table want as
select count(*) as a, a as b
from l
group by a;
quit;

[srinath3111 · Accepted solution]

Hi,

proc sql;
create table final as
select a,
count(a) as COUNT
from l
group by a;
quit;

data ds;
set l;
by a b;
keep a count;
retain count 0;
if first.a=1 then count=1;
else count=sum(count,1);
if last.a=1 then output;
run;

Thanks,

srinath

[novinosrin]

data have;
input a b;
cards;
1 1
2 2
2 3
3 .
3 .
3 .
3 .
run;

proc sql;
create table want as
select a,count(a) as b
from have
where a in (select b from have)
group by a;
quit;

[rajeshalwayswel]

Thanks everyone.... From next time I'll post questions in proper way... Sorry for the inconvenience.