DATA Step, Macro, Functions and more

How to count point below certain threshold.

Accepted Solution Solved
Reply
New Contributor
Posts: 4
Accepted Solution

How to count point below certain threshold.

I appreciate your help.

I have data set shown below.

ID time NIBP

1 1 89

1 2 90

1 3 78

1 4 87

1 5 88

1 6 89

1 7 90

2 1 77

2 2 88

2 3 90

3 1 99

3 2 100

 

I would like to count point  where NIBP=<88 for individual ID. I would like to acquire an output like,

 

ID count

1 3

2 1

3 0

 

In my actual data set, the number of ID is 18 thousands and the length of the time is different for each ID. 
Thank you very much for your kindness in advance.


Accepted Solutions
Solution
a month ago
Super User
Posts: 2,061

Re: How to count point below certain threshold.

data have;
input ID time NIBP;
cards;
1 1 89
1 2 90
1 3 78
1 4 87
1 5 88
1 6 89
1 7 90
2 1 77
2 2 88
2 3 90
3 1 99
3 2 100
;

proc sql;
create table want as
select id, sum(NIBP le 88) as count
from have
group by id;
quit;

View solution in original post


All Replies
Respected Advisor
Posts: 3,275

Re: How to count point below certain threshold.

[ Edited ]

UNTESTED CODE

data have2;
     set have;
     if nibp<=88 then flag=1;
     else flag=0;
run;

proc summary nway data=have2;
    class id;
    var flag;
    output out=want sum=count;
run;

 

--
Paige Miller
New Contributor
Posts: 4

Re: How to count point below certain threshold.

Posted in reply to PaigeMiller

Dear PaigeMiller,

I appreciate for your immediate reply.

I will try later the code you told me.

 

Solution
a month ago
Super User
Posts: 2,061

Re: How to count point below certain threshold.

data have;
input ID time NIBP;
cards;
1 1 89
1 2 90
1 3 78
1 4 87
1 5 88
1 6 89
1 7 90
2 1 77
2 2 88
2 3 90
3 1 99
3 2 100
;

proc sql;
create table want as
select id, sum(NIBP le 88) as count
from have
group by id;
quit;
New Contributor
Posts: 4

Re: How to count point below certain threshold.

Posted in reply to novinosrin

Dear novinosrin,

I really appreciate for your prompt replay.

The code you told me perfectly worked!

Super User
Posts: 2,061

Re: How to count point below certain threshold.

Thank you @ykoba  If you choose @PaigeMiller 's solution, then mark his solution as accepted or if you choose mine, mark mine as accepted and close the thread please

New Contributor
Posts: 4

Re: How to count point below certain threshold.

Posted in reply to novinosrin

Dear novinosrin,

I really appreciate your kindness!

☑ This topic is solved.

Need further help from the community? Please ask a new question.

Discussion stats
  • 6 replies
  • 85 views
  • 1 like
  • 3 in conversation