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;
last.ID ...
Use Maxim 1 and read here: https://documentation.sas.com/doc/en/lrcon/9.4/p05cyvj8ur5f02n1uq3thhxd3pat.htm
last.ID ...
Use Maxim 1 and read here: https://documentation.sas.com/doc/en/lrcon/9.4/p05cyvj8ur5f02n1uq3thhxd3pat.htm
It's finally time to hack! Remember to visit the SAS Hacker's Hub regularly for news and updates.
Learn how use the CAT functions in SAS to join values from multiple variables into a single value.
Find more tutorials on the SAS Users YouTube channel.
Ready to level-up your skills? Choose your own adventure.