R Programming Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

R Programming Interview Questions

Questions Answers Views Company eMail

In r how missing values are represented?

Mention how you can produce co-relations and covariances?

What are r data types?

112

What is inheritance in s3 class?

103

What is apply() function in r?

Explain how to repeat vectors in r?

What packages are used for data mining in r?

What does tcp/ip work?

What is s3 in r?

What is s4?

Name all control statements present in r?

What is function definition?

What is the use of lattice package?

103

Explain the concept of principal component analysis?

What are r matrices and r matrices functions?

Un-Answered Questions { R Programming }

How would you find out the mean of one column with respect to another?

159

What is GUI in R?

Differentiate between k-means clustering and hierarchical clustering?

110

Explain how to read data or a matrix from a file?

124

What are sockets in r?

103

How would you facet the data using ggplot2 package?

What are the data structures in r that is used to perform statistical analyses and create graphs?

Explain how to access list elements in r?

100

Give examples of “select” and “filter” functions from “dplyr” package.

How would you check the distribution of a categorical variable in r?

What is expected from running the command – strsplit(x,”e”)?

109

How can you simulate noise model using r?

How you can produce co-relations and covariances?

Explain different types of atomic vectors in R?

What is white noise model in r?

For More Un-Answered { R Programming } Questions Click Here