Explore topic-wise MCQs in R Programming.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your R Programming knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is used for reading tabular data?

A. read.csv
B. dget
C. readLines
D. writeline
Answer» B. dget
Discussion
2.

Which of the following statement changes column name to h and f?

A. colnames(m) <- c("h", "f")
B. columnnames(m) <- c("h", "f")
C. rownames(m) <- c("h", "f")
D. rownames(m) <- c("f", "f")
Answer» B. columnnames(m) <- c("h", "f")
Discussion
3.

Data frames can be converted to a matrix by calling data _______

A. as.matr()
B. as.mat()
C. as.matrix()
D. as.max()
Answer» D. as.max()
Discussion