Modern R Programming Cookbook

Writing Customized Functions

In this chapter, you will learn to write your own customized functions, and understand how to work with various data types within a function and access an output of a function. This chapter contain the following recipes:

• Writing your first function in R
• Writing functions with multiple arguments and use of default values
• Handling data types in input arguments
• Producing different output types and return values
• Making a recursive call to a function
• Handling exceptions and error messages