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

R Programming Interview Questions

Questions Answers Views Company eMail

How would you join multiple strings together?

What is a random walk model and how can you simulate it using r?

101

How can you load a .csv file in r?

What is a factor?

What is a white noise model?

130

What is a white noise model and how can you simulate it using r?

Explain the different data structures in r?

What is a random forest? How do you build and evaluate a random forest in r?

Give examples of “rbind()” and “cbind()” functions in r

156

What is the use of stringr package.

Explain about confusion matrix in r?

How would you extract one particular word from a string?

Given a vector of values, how would you convert it into a time series object?

105

What do you know about the evaluate_model() function from “statisticalmodeling” package

115

How would you fit a linear model over a scatter-plot?

Un-Answered Questions { R Programming }

What is R studio and how to use it?

What is a random walk model and how can you simulate it using r?

101

What is median in r?

102

How do you install a package in r?

What is the usage of the lattice package in R?

106

Which data structure is used to store categorical variables?

What is procedural programming in r?

107

What is regular expression syntax?

103

What is the distribution in R?

108

What is oop in r?

How many types of C/C++ preliminaries are present in R?

Why the function anova()?

114

Why is R Good for business?

How will you convert a factor variable to numeric in r language?

141

What are the disadvantages of R?

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