Download and install R and RStudio and perform initial setup and navigation.

Learn the required content of this unit, and conduct your research to answer the following questions:

$1)$ What is a factor variable? When would you want to use a factor variable?

$2)$ What is unique about a numeric variable?

$3)$ Why would you use a data frame over a vector to store your data?

$4)$ Lists are the most complex of the R data types. What is the practical benefit of a list that stores a

string, a numeric vector, and a matrix? Give real life examples.