Demonstration of the CHOOSEC function

The script demonstrates how to select a specific character-type argument from a list using the `CHOOSEC` function. It tests selection by positive index and by negative index (counting from the end).

Data Analysis

Type : CREATION_INTERNE

The processed values are literal character strings passed directly as function arguments.

1 Code Block

DATA STEP

Explanation :
This Data Step block does not create an output table (_null_). It calculates two variables: 'third' (3rd element) and 'last' (last element via index -1) using the CHOOSEC function, and writes the results to the SAS log.

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1	DATA _null_ ;
2	third=choosec(3,'dog','cat','rat','bat') ;
3	put third= ;
4	last=choosec(-1,'dog','cat','rat','bat') ;
5	put last= ;
6	RUN ;

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