If You Need These OBS and These VARS Then Drop IF and Keep
SAS statements within the DATA step are executed and the process goes on and on. This process continues until all observations have been read from the input
238-31: WHERE vs. IF Statements: Knowing the Difference in How
two SAS programming approaches. INTRODUCTION. As shown in the figure below WHERE conditions are applied before the data enters the input buffer while IF
213-2007: WHERE vs. IF Statements—Knowing the Difference in
input data set. Each WHERE or IF expression must be consistent and contain all numeric or all character variables. WHERE conditions were introduced in SAS
Beyond IF THEN ELSE: Techniques for Conditional Execution of
construct conditional SAS logic including some that may provide advantages over the IF If the expression evaluates to true
Lesson 8: Validating and Cleaning Data Summary Main Points
You can also use integrity constraints also known as data validation rules
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SUGI 24: SAS(r) Program Efficiency for Beginners
Create a SAS data set by reading long records from a flat. First read only the variables needed to determine if the record file with an INPUT statement.
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The Ins and Outs of %IF
Here is a handy chart. Use SAS IF. Use macro %IF. Condition is testing on a DATA step variable. Need to conditionally execute macro
002-30: Efficiency Considerations Using the SAS® System
IF statements versus SELECT statements. • PROC SORT versus SQL ORDER BY. • Issues involving DATA step views. • Functions versus arrays versus direct SAS
Beyond IF THEN ELSE: Conditional Execution of SAS Code
As an illustration consider the follow ing portion of a DATA step w hich includes an IF…THEN…ELSE statement: x=0; if x ne 0 then y=10/x;.
Final Paper PDF
Alternatives to Merging SAS Data Sets … But Be Careful
The MERGE statement in the SAS programming language is a very useful tool in combining or bridging information from multiple SAS data sets. If you work
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