This post is about “R Programming Quiz Questions and Answers”. There are 20 multiple-choice type questions from R programming covering topics related to the output of different R commands, R console, matrices, data frames, factors, vectors, R objects, and different operations on R objects. Let us start with R Programming Quiz Questions and Answers.

Online Multiple Choice Questions about R Programming Language

### R Programming Quiz Questions and Answers

- The output of seq(10, 1, -2) is
- What will be the output of the following lines of code? x <- 31 if (x %% 2 == 0){ print(“X is even”) }else { print(“X is odd”) }
- What would be the output of 1:5 + 5:1.
- What will be the output of the following x <- vector(“numeric”, length = 10); print(x)
- What would be the output of the following code? x <- 1:4 y <- 6:9 z <- x + y print(z)
- What will be the output of the following X <- factor(c(“yes”, “yes”, “yes”, “no”, “yes”, “no”, “no”) table(X)
- The output of the seq(1, 10, 2) is
- What will be the output of the following code X <- factor(c(“m”, “m”, “m”, “f”, “m”, “f”, “f”) table(X)
- What is the output of 1:4 + 4:1
- R console is a tool that is used to write (insert) standard
- The following command will find the 60th percentile for the variable $disp$
- The multiplication of two matrices $A$ and $B$ can be performed in R using the operator
- Which command will create a matrix of the first 9 numbers in 3 rows and 3 columns?
- When we compare two vectors element by element the resultant outcome is a
- Which of the following function can be used to create a vector having repeated values
- The Vectors, data frames, or matrices containing decimal values can be converted to integers using
- What is the data type of vector $a$ if a <- c(1, “m”, FALSE)
- All columns in a matrix must have the
- To perform one-way Analysis of variance, one can use function
- In R, object name cannot start with

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