Lists
Within R a list is a structure that can combine objects of different types. We will learn how to create and work with lists in this section.
Creating Lists
A list is actually a vector but it does differ in comparison to the other types of vectors which we have been using in this class.
- Other vectors are atomic vectors
- A list is a type of vector called a recursive vector.
An Example Database
We first consider a patient database where we want to store their
- Name
- Amount of bill due
- A Boolean indicator of whether or not they have insurance.
We then have 3 types of information here:
- character
- numerical
- logical.
To create a list of one patient we say
a