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?

108

What is a class in r?

Describe substr() in r string manipulation?

128

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?

115

Describe grep() in r string manipulation?

Which function helps you perform sorting in r language?

109

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

135

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?

110

How can you debug and test r programming code?

105

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Un-Answered Questions { R Programming }

How many types of vectors are present in r?

What is the need for Predictive Analysis in R?

Why the stepaic()?

What is the rattle package in r?

106

How would you join multiple strings together?

101

What is control structure in R?

113

How many control statements are present in r?

102

What is the usage of the lattice package in R?

108

How can you debug and test r programming code?

105

What is Predictive analysis process in R?

121

What are the steps to build and evaluate a linear regression model in r?

103

How would you create a factor in r?

What is a variable assignment?

108

What is attribute function in r?

146

What is Descriptive analysis in R?

113

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