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Ronein
Onyx | Level 15

Hello friends,

I want to select last row by group .

This code below create a data set with one row only and not one row by group.

Why did it happen and what is the way to solve it?

data have;
input ID $ date : date9. var;
format date date9.;
cards;
A 01JAN2023 10
B 05JAN2023 5
B 06JAN2023 6
C 15JAN2023 7
C 16JAN2023 8
C 19JAN2023 9
C 20JAN2023 10
D 24JAN2023 2
;
Run;
proc sort data=have; by ID date; Run;
Data Way2; set have end=last; by ID; if last then output; run;
1 ACCEPTED SOLUTION

Accepted Solutions
1 REPLY 1
yabwon
Amethyst | Level 16
last.ID ...

Use Maxim 1 and read here: https://documentation.sas.com/doc/en/lrcon/9.4/p05cyvj8ur5f02n1uq3thhxd3pat.htm

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