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xinjian
Calcite | Level 5


Dear all,

here is my data set:

A B  C

1 3 120

1 6 110

1 9 140

2 3 110

2 6 105

3 3 118

4 3 160

4 6 170

4 9 180

4 12 110

A is ID, B is month, C is systolic blood pressure. I want to average blood pressure for each ID. Is there a simple way?

Thanks,

Xinjian

1 ACCEPTED SOLUTION

Accepted Solutions
stat_sas
Ammonite | Level 13

proc sql;

select a as id,avg(c) as average_blood_pressure format=8.2 from have

group by a;

quit;

View solution in original post

3 REPLIES 3
dcruik
Lapis Lazuli | Level 10

I would use the MEANS procedure with a class variable:

proc means data=have mean nway noprint;

var C;

class A;

output out=want (drop=_TYPE_ _FREQ_)

mean=Avg_Blood_Pressure;

run;

Hope this helps!

stat_sas
Ammonite | Level 13

proc sql;

select a as id,avg(c) as average_blood_pressure format=8.2 from have

group by a;

quit;

xinjian
Calcite | Level 5

I really appreciate your help.

Also, thank you, dcruik, for your quick response, and different version to solve this problem.

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