BookmarkSubscribeRSS Feed
🔒 This topic is solved and locked. Need further help from the community? Please sign in and ask a new question.
zqkal
Obsidian | Level 7

Hello everyone,

I need to find the maximum value of a variable looking at all the previous values in the column. i have a dataset that looks the one listed below. i want to create a variable v4 with the maximum value of all the previous values in the column. 

DATASET 1
V1 V2 V3
01 AA 02

01 AA 08

01 AA 03
02 BB 24
02 BB 98

02 BB 24

03 CC 11

03 CC 99

03 CC 15
02 DD 54


DATASET 2
V1 V2 V3 v4 

 

01 AA 02 02

01 AA 08 08

01 AA 03 08
02 BB 24 24
02 BB 98 98

02 BB 24 98

03 CC 11 98

03 CC 99 99

03 CC 15 99
02 DD 54 99

 

1 ACCEPTED SOLUTION

Accepted Solutions
art297
Opal | Level 21
data DATASET1;
  input (V1 V2 V3) ($);
  cards;
01 AA 02
01 AA 08
01 AA 03
02 BB 24
02 BB 98
02 BB 24
03 CC 11
03 CC 99
03 CC 15
02 DD 54
;

data dataset2;
  set dataset1;
  retain v4;
  v4=max(v3,v4);
run;

Art, CEO, AnalystFinder.com

 

View solution in original post

1 REPLY 1
art297
Opal | Level 21
data DATASET1;
  input (V1 V2 V3) ($);
  cards;
01 AA 02
01 AA 08
01 AA 03
02 BB 24
02 BB 98
02 BB 24
03 CC 11
03 CC 99
03 CC 15
02 DD 54
;

data dataset2;
  set dataset1;
  retain v4;
  v4=max(v3,v4);
run;

Art, CEO, AnalystFinder.com

 

hackathon24-white-horiz.png

The 2025 SAS Hackathon has begun!

It's finally time to hack! Remember to visit the SAS Hacker's Hub regularly for news and updates.

Latest Updates

How to Concatenate Values

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.

SAS Training: Just a Click Away

 Ready to level-up your skills? Choose your own adventure.

Browse our catalog!

Discussion stats
  • 1 reply
  • 11466 views
  • 3 likes
  • 2 in conversation