SAS- Condensing Multiple Rows, Keeping highest Value

问题

I'm trying to accomplish the following. I have tried using arrays and sorting but nothing appears to work.Any help would be appreciated.

Acct     Score1   Score2
9999       45       78
9999       58       65
8888       43       80
8888       43       90
8888       31       70

This is what I would like to end up with
Acct     Score1     Score2
9999       58         78
8888       43         90

So basically, keep the highest score for each account.

回答1:

Just use PROC MEANS.

proc means data=have nway ;
  class acct ;
  var score1 score2 ;
  output out=want max= ;
run;

回答2:

I would recommend PROC SQL:

PROC SQL;
    CREATE TABLE want AS 
        SELECT Acct, 
            MAX(Score1) AS Score1, 
            MAX(Score2) AS Score2
        FROM have
            GROUP BY Acct;
QUIT;

来源：https://stackoverflow.com/questions/37911397/sas-condensing-multiple-rows-keeping-highest-value