How to Select the First Row of a Group in SAS - SAS Example Code
13.3 - Finding First and Last Observations
How to format dates for use in SAS? - Stack Overflow
FIRST. and LAST. Variables in SAS - How to Select the Variables - DataFlair
Data Exploration in SAS - Using Data Step and Proc SQL
SAS Help Center: Grouping Data
SAS Help Center: Group and Order Variables Using the DATA Step BY Statement
Kevin Russell » SAS博客列表
Sas Data Statement | PDF | Sas (Software) | Computer File
SAS Help Center: Controlling DATA Step Processing
SAS Savvy - Proc SQL
The ADDROWID data set option maintains the order of your data when executing a DATA step in SAS® Cloud Analytic Services (CAS) | PROC-X.com
SAS : First. and Last. Variables
How to Use the RETAIN Statement in SAS (With Examples) - Statology
FIRST. and LAST. Variables in SAS - How to Select the Variables - DataFlair
SAS Help Center: Working with Grouped Data
FIRST. and LAST. Variables in SAS - How to Select the Variables - DataFlair
How to Use FIRST. and LAST. Variables in SAS - Statology
Sas Data Statement | PDF | Sas (Software) | Computer File
32.5 - Summarizing and Grouping Data
1. Read long records from a flat file, keeping only selected records
SAS Tutorial | The Fundamentals of DATA Step Programming - YouTube
