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

R Programming Interview Questions

Questions Answers Views Company eMail

What do you understand by element recycling in r?

106

What is a class in r?

Describe substr() in r string manipulation?

126

How can you resample statistical tests in r language?

What do you understand by a workspace in r programming language?

How many tools for debugging present in r?

Write the syntax to set the path for a current working directory in r environment?

117

Write the r programming code for an array of words so that the output is displayed in decreasing frequency order?

111

Describe grep() in r string manipulation?

Which function helps you perform sorting in r language?

107

Which function is used to create a histogram visualisation in r programming language?

129

Explain how to create a function in arguments using apply() in r?

What are recommended systems in r?

how can you add datasets in r?

108

How can you debug and test r programming code?

Un-Answered Questions { R Programming }

What is the difference between a bar-chart and a histogram?

102

Why is library() function used in r?

What is the difference between the data frame and a matrix in R?

Explain what is pdv?

How do you install a package in r?

What is the main difference between an Array and a matrix?

Describe regex() in r string manipulation?

How would you create a scatterplot using ggplot2 package?

How to use sapply in r?

What are recommended systems in r?

How to compile and run code in R?

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

105

How can you import data in r?

105

What is string manipulation in R?

How will you merge two dataframes in r programming language?

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