The c() function combines or concatenates individual values to create a vector in R.
R for Data Analytics MCQ - Data Structures in R
Values enclosed in quotation marks are character strings. Therefore c("R", "Python", "SQL") creates a character vector.
An R list can contain elements of different types, such as numbers, character vectors, matrices and even other lists.
The data.frame() function creates a data frame, one of the main tabular data structures used in R.
The length() function returns the number of elements contained in a vector or other compatible R object.

