这个很简单,有很多种solution. 可以用Dara step 也可以用SQL :
Proc SQL;
Select *
From your_data
Where var_1 not in
( select var_1
From your_data
Group by var_1
Having count(*) =1
);
Quit ;
对于lucky forever 的代码稍作修改就可以解决:Proc SQL;
Select *
From your_data
Where var_1 in
( select var_1
From your_data
Group by var_1
Having count(*) >5
);
Quit ;