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ajb
Obsidian | Level 7 ajb
Obsidian | Level 7

 

Sas 9.4

 

HI,

 

So I have 2 data set.  Data set  A has 4000 observations and Data set B has 3000 observations.  I know that B is a subset of A  but I do not know which observations are in B.  How can I have SAS print the 1000 observations that are only in A?

 

Thanks in advance.

 

 

 

1 ACCEPTED SOLUTION

Accepted Solutions
jklaverstijn
Rhodochrosite | Level 12

@ajb wrote:


Is there a line of code I could use to output the results to a new data set?




Yes there is: CREATE TABLE AS. Eg.

 

proc sql;
create table want as 
    select * from A
      EXCEPT
    select * from B;
quit;

Regards,

- Jan.

View solution in original post

5 REPLIES 5
Cynthia_sas
SAS Super FREQ
Hi:
The SAS procedures for reporting (PRINT, REPORT, TABULATE) only work with one dataset at a time. You could do a MERGE before your PRINT or REPORT step or you could join the 2 datasets with PROC SQL and generate the non-matches in an SQL report. It depends on your comfort level with the idea of MERGING before you run the report/print or whether you are more comfortable with SQL.

cynthia
jklaverstijn
Rhodochrosite | Level 12

Easiliy done in SQL:

 

proc sql;
    select * from A
      EXCEPT
    select * from B;
quit;

Hope this helps,

- Jan.

ajb
Obsidian | Level 7 ajb
Obsidian | Level 7


Is there a line of code I could use to output the results to a new data set?

I am not at all familiar with sql.
PGStats
Opal | Level 21

This would work, I think

 

proc sort data=a; by _all_; run;
proc sort data=b; by _all_; run;

data aMinusb;
merge a b(in=inb);
by _all_;
if not inb;
run;

proc print data=aMinusb; run;
PG
jklaverstijn
Rhodochrosite | Level 12

@ajb wrote:


Is there a line of code I could use to output the results to a new data set?




Yes there is: CREATE TABLE AS. Eg.

 

proc sql;
create table want as 
    select * from A
      EXCEPT
    select * from B;
quit;

Regards,

- Jan.

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