Which of the following extracts first element from the following R vector?
> x <- c("a", "b", "c", "c", "d", "a")
> x <- c("a", "b", "c", "c", "d", "a")A. x[10]
B. x[1]
C. x[0]
D. x[2]
Answer: Option B
This Question Belongs to R Programming >> Data Structures In R Programming
Related Questions on Data Structures in R Programming
Which data structure in R is used to store an ordered collection of elements?
A. List
B. Matrix
C. Data Frame
D. Vector
What does the matrix() function create in R?
A. A list of elements
B. A one-dimensional array
C. A two-dimensional array
D. A data frame
In R, how do you create a list named my_list with three elements: 1, "hello", and TRUE?
A. my_list <- c(1, "hello", TRUE)
B. my_list = list(1, "hello", TRUE)
C. my_list(1, "hello", TRUE)
D. list(my_list = c(1, "hello", TRUE))
What is the primary data structure used for storing tabular data in R?
A. List
B. Matrix
C. Data Frame
D. Array
Join The Discussion