R Machine Learning By Example

Controlling code flow

This section covers areas related to controlling the execution of your code. Using specific constructs such as if-else and switch, you can execute code conditionally. Constructs like for, while, and repeat, and help in executing the same code multiple times which is also known as looping. We will be exploring all these constructs in the following section.

Working with if, if-else, and ifelse

There are several constructs which help us in executing code conditionally. This is especially useful when we don't want to execute a bunch of statements one after the other sequentially but execute the code only when it meets or does not meet specific conditions. The following examples illustrate the same:

> num = 5
> if (num == 5){