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WilliamB
Obsidian | Level 7

Hello,

I want to remove the duplicates and keep the line with the most recent month (comois).

If possible in sql

                         

 

Data: 

 

COMOISseg_ciceLIPRLGCOMAX
202003JEUNEclient Jeune inactif205127
202011JEUNEclient Jeune inactif205127
202003  344978
202002JA/A/Pclient Adulte inactif347109
202006JA/A/Pclient Adulte inactif347109
202007JA/A/Pclient Adulte inactif405866
202007JA/A/Pclient Adulte inactif405868
202009JA/A/Pclient Adulte inactif405868
202003  438218
202006  438218
202005JA/A/Pclient Adulte inactif576036
202007JA/A/Pclient Adulte inactif576036
202003JEUNEclient Jeune inactif626848
202012JEUNEclient Jeune inactif626848
202009JEUNEclient Jeune actif non équipé639972
202006JEUNEclient Jeune inactif646960
202012JEUNEclient Jeune inactif646960

 

 

Want:

 

 

COMOISseg_ciceLIPRLGCOMAX
202003JEUNEclient Jeune inactif205127
202003  344978
202002JA/A/Pclient Adulte inactif347109
202007JA/A/Pclient Adulte inactif405866
202007JA/A/Pclient Adulte inactif405868
202003  438218
202005JA/A/Pclient Adulte inactif576036
202003JEUNEclient Jeune inactif626848
202009JEUNEclient Jeune actif non équipé639972
202006JEUNEclient Jeune inactif646960

 

 

Thanks for your help                                                  

1 ACCEPTED SOLUTION

Accepted Solutions
Kurt_Bremser
Super User

SQL:

proc sql;
create table want as
  select *
  from have
  group by comax
  having comois = max(comois)
;
quit;

Data step, will perform much better on already sorted datasets (and needs less typing):

data want;
set have;
by comax;
if last.comax;
run;

View solution in original post

2 REPLIES 2
Kurt_Bremser
Super User

SQL:

proc sql;
create table want as
  select *
  from have
  group by comax
  having comois = max(comois)
;
quit;

Data step, will perform much better on already sorted datasets (and needs less typing):

data want;
set have;
by comax;
if last.comax;
run;
gunturhakim
Calcite | Level 5

Hi,

thanks for sharing the solution, I'm search for duplicate case, to make my company data is clean

best regards

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