Explore topic-wise MCQs in R Programming.

This section includes 10 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.

What will be the class of the vector if you concatenate a number and a character?

A. Number
B. Character
C. Integer
D. No class
Answer» C. Integer
Discussion
2.

____________ is one type of the simplest machine learning classification algorithms that is a subset of supervised learning based on lazy learning.

A. K-Nearest Neighbour
B. Na ve Bayes
C. Travelling Salesman
D. N-Queen
Answer» B. Na ve Bayes
Discussion
3.

What will be the class of the vector if you concatenate a number and NA?

A. Number
B. Character
C. Integer
D. No class
Answer» B. Character
Discussion
4.

How do you create log linear models in R language?

A. loglm()
B. logmn()
C. logfn()
D. loghy()
Answer» B. logmn()
Discussion
5.

__________ function is used in applying a function each level of factors.

A. With()
B. By()
C. To()
D. Here()
Answer» C. To()
Discussion
6.

What are the data types in R on which binary operators can be applied?

A. Scalars
B. Matrices
C. Vectors
D. Scalars, Matrices and Vectors
Answer» E.
Discussion
7.

What is the memory limit in R for 32 bit system?

A. 8 TB
B. 9TB
C. 10TB
D. 3GB
Answer» E.
Discussion
8.

What is the memory limit in R for 64 bit system?

A. 8 TB
B. 9TB
C. 10TB
D. 16TB
Answer» B. 9TB
Discussion
9.

_________ variables are categorical variables which can hold either string or numeric values.

A. Factor
B. Simpler
C. Function
D. Package
Answer» B. Simpler
Discussion
10.

________ function can be used to add datasets in R provided with the columns in the datasets should be the same.

A. rbind()
B. bbind()
C. jbind()
D. hbind()
Answer» B. bbind()
Discussion