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 is a loop in r?

100

How using rprof() to find slow spots in your code in r?

What is data structure in r?

106

X is the vector c(5,9.2,3,8.51,na), what is the output of mean(x)?

1150

What is readline() in r?

106

What is functional programming and memory issues in on the performance basis?

Explain r graphics devices?

What is a dataframe in r?

What is attribute function in r?

146

What is a file in r?

101

What is variance in r?

What are various steps involved in analytics project in r?

Explain if control statements in r?

What is function in r?

108

What is compiler in r?

100

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Un-Answered Questions { R Programming }

What are Characteristics of R Hierarchical Clustering?

191

How can you verify if a given object “X” is a matrix data object?

117

What is function in r?

108

Why the function anova()?

118

What is a motivation behind data visualization in R?

Explain how to write files?

What are the different import functions in r?

What is recursion in r?

114

Which function helps you perform sorting in r language?

109

What are co-relations in R?

105

How do you check if “m” is a matrix data object in R?

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

130

What is rmarkdown? What is the use of it?

131

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

How would you do a left and right join in r?

100

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