Writing your own functions in R enables you to combine a set of R commands into a function that is easy to call and can be generalized. Functions are foundational to R. To become a more advanced user or developer of R, a good understanding of what functions are and how to write them is crucial. Broadly speaking, a function takes one or more inputs and processes them to produce and return output.
Not every programming task should be converted to a function. However, whenever you find yourself copying and pasting a particular ...
