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Theo_Gh
Obsidian | Level 7

Hi everyone,

 

I have a dataset that looks like this:

Fyear          Returns

1990             1

1990             3

1990             2

1991             1

1991             5 

1991             4

1992             4

1992              3

1992              2

I would want to create a new variable called, AVE, that will be equal to the average return for each fiscal year?

 May I know the best way to go about this?

 

Thanks

1 ACCEPTED SOLUTION

Accepted Solutions
ShiroAmada
Lapis Lazuli | Level 10

Try this....

 

proc summary data=HAVE nway missing;
  class fyear;
  var returns;
output out= WANTDS1 mean=;
run;

/* OR you can sql */ proc sql; create table WANTSql as select fyear, mean(returns) as ave from HAVE group by fyear; quit;


/* OR you can sort and a data step */
proc sort data=HAVE;
by FYEAR;
run;

data WANT_DS2;
set HAVE;
by FYEAR;

if first.FYEAR then do;
count=.; ave=.;
end;

count+1;
ave+returns;

if last.fyear then do;
ave=ave/count;
output;
end;
run;
 

Hope this helps.

View solution in original post

2 REPLIES 2
ShiroAmada
Lapis Lazuli | Level 10

Try this....

 

proc summary data=HAVE nway missing;
  class fyear;
  var returns;
output out= WANTDS1 mean=;
run;

/* OR you can sql */ proc sql; create table WANTSql as select fyear, mean(returns) as ave from HAVE group by fyear; quit;


/* OR you can sort and a data step */
proc sort data=HAVE;
by FYEAR;
run;

data WANT_DS2;
set HAVE;
by FYEAR;

if first.FYEAR then do;
count=.; ave=.;
end;

count+1;
ave+returns;

if last.fyear then do;
ave=ave/count;
output;
end;
run;
 

Hope this helps.

Theo_Gh
Obsidian | Level 7
Thanks; it worked

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