Explore topic-wise MCQs in R Programming.

This section includes 5 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 R code extracts the second column for the following matrix?

A. x[2, ]
B. x[1, 2]
C. x[, 2]
D. x[1 1 2] View Answer
Answer» D. x[1 1 2] View Answer
Discussion
2.

Which of the following extracts first four element from the following R vector?

A. x[0:4]
B. x[1:4]
C. x[0:3]
D. x[4:3] View Answer
Answer» C. x[0:3]
Discussion
3.

Which of the following extracts first element from the following R vector?

A. x[10]
B. x[1]
C. x[0]
D. x[2] View Answer
Answer» C. x[0]
Discussion
4.

3$

A. 2
B. 1
C. 0
Answer» B. 1
Discussion
5.

“a” “b” “c”$

A. “a” “c” “c”
B. “a” “c” “b”
C. All of the mentioned
Answer» B. ‚Äö√Ñ√∂‚àö√ë‚àö‚à´a‚Äö√Ñ√∂‚àö√ë‚àöœÄ ‚Äö√Ñ√∂‚àö√ë‚àö‚à´c‚Äö√Ñ√∂‚àö√ë‚àöœÄ ‚Äö√Ñ√∂‚àö√ë‚àö‚à´b‚Äö√Ñ√∂‚àö√ë‚àöœÄ
Discussion