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DATA Step Basics
DATA statement SET statement INPUT statement DATALINES LENGTH statement FORMAT statement INFORMAT statement LABEL statement KEEP statement DROP statement
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PROC SORT BY statement NODUPKEY PROC FREQ PROC MEANS CLASS statement VAR statement OUTPUT statement PROC SUMMARY PROC UNIVARIATE
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MERGE statement BY-group merge IN= data set option One-to-many merge UPDATE statement MODIFY statement PROC TRANSPOSE ARRAY statement DO OVER array Hash object lookup
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%LET Macro variable reference %MACRO and %MEND Macro parameters %IF %THEN %DO loop CALL SYMPUTX SYMGET %SYSFUNC Macro quoting %SUPERQ
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SAS Complete Course / DATA Step Basics

KEEP statement

Learn KEEP statement in SAS through the exact construct, a dedicated example, a boundary case, and a mastery check.

10 min read • Beginner

KEEP statement is an atomic SAS lesson inside DATA Step Basics. The example uses the specific syntax, command, API, instruction, or language rule named by this lesson.

Study the construct itself, then change one relevant input and predict the result before running it. That keeps this lesson focused on KEEP statement rather than on generic SAS syntax.

Topic-specific example

sas-01-09.sas
sas Try It Live 
data work.public_users(keep=id name); set work.users; run;
Edge case / engineering note

For KEEP statement, inspect the SAS log as well as the output data set; type conversion, missing values, and BY-group ordering can change results without stopping execution.

Content source & attribution
Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

KEEP statement Mastery Check →
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DROP statement