Web4 mrt. 2024 · IF-THEN STATEMENTS IN SAS Syntax: IF condition THEN action SAS evaluates the condition following the IF statement to determine whether it is true or false. If the condition is true, SAS takes the action that follows the keyword THEN. If the condition is false, SAS ignores the THEN clause and proceeds to the following statement in the … Web6 jan. 2016 · An optional else statement can be included (if-then-else) to provide an alternative action when the if expression is false. if age ge 65 then older=1; else older=0; For a person whose age is less than 65, the variable older will equal 0. An optional else-if statement can follow the if-then statement. SAS evaluates the expression in the else-if ...
if statement - Using if between else in SAS - Stack Overflow
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Web4 mei 2024 · Just use the macro to generate a normal IF statement, the same as you are using the macro to generate the DATA and other SAS statements. if &&P&i <= PassengerID < &&P&k then PassengerID_Class = &i. ; But why use macro code at all? Just read the cutoff values into a temporary array. Web12 sep. 2024 · Please show what you expect the output to look like. Since your data set is in terms of Event And Result then it appears that you want to set toxicity for ID based on two different Events. Are the order of HGB and Retic for Event within ID always the same with Event=HGB always followed by Event=Retic? WebThe WHERE statement can be used in procedures to subset data while IF statement cannot be used in procedures. 2. WHERE can be used as a data set option while IF cannot be used as a data set option. 3. The WHERE statement is more efficient than IF statement. It tells SAS not to read all observations from the data set. traditional construction pros and cons