Hi,
i want sum of first 5 obs(1-5) then sum of next five obs(2-6) and so on...
data have;
input obs var1;
cards;
1 11
2 12
3 13
4 14
5 15
6 16
7 17
8 18
9 19
10 20
run;
Thanks..
You didn't post the output you need yet .
data have;
input obs var1;
cards;
1 11
2 12
3 13
4 14
5 15
6 16
7 17
8 18
9 19
10 20
;
run;
proc sql;
create table want as
select *,(select sum(var1) from have where obs between a.obs and a.obs+4) as sum
from have as a;
quit;
Xia Keshan
data have;
input obs var1;
lag1=lag(var1);
lag2=lag2(var1);
lag3=lag3(var1);
lag4=lag4(var1);
sum_of_five=sum(var1,lag1,lag2,lag3,lag4);
cards;
1 11
2 12
3 13
4 14
5 15
6 16
7 17
8 18
9 19
10 20
run;
Just to add a little variety:
sum_of_five + var1;
back5 = lag5(var1);
if back5 > . then sum_of_five = sum_of_five - back5;
You didn't post the output you need yet .
data have;
input obs var1;
cards;
1 11
2 12
3 13
4 14
5 15
6 16
7 17
8 18
9 19
10 20
;
run;
proc sql;
create table want as
select *,(select sum(var1) from have where obs between a.obs and a.obs+4) as sum
from have as a;
quit;
Xia Keshan
Available on demand!
Missed SAS Innovate Las Vegas? Watch all the action for free! View the keynotes, general sessions and 22 breakouts on demand.
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.
Select SAS Training centers are offering in-person courses. View upcoming courses for: