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lokeshbm
Calcite | Level 5

Hi,

 

I need the below step in Proc Sql

 

data newdata;

merge dset1(in=a) dset2(in=b);

by subjid visit location pin;

if a and not b;

run;

 

 

1 REPLY 1
LinusH
Tourmaline | Level 20
This must be the oldest SAS question. The are literally thousands of papers and have been discussed Om this forum several times. Do a search her and on support.Sas.com.
Short answer : left join, but it depends on your data.
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