Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - LENGTH, LENGTHN, LENGTHC Functions (Are You Working

The video tutorial begins with motivational words and an overview of the lesson. It explains the use of the length statement in coding, particularly for setting the length of character variables. The tutorial then delves into the length, lengthN, and lengthC functions, explaining their differences and how they handle strings with trailing blanks and missing values. Practical examples are provided to confirm the outputs of these functions, highlighting their usefulness in coding.

What happens when a character variable is defined without a length statement?

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What is the significance of using a dollar sign after a character variable name?

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How can you confirm the results of the length functions in your code?

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