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?

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

1143

What is readline() in r?

104

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?

142

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?

104

What is compiler in r?

Un-Answered Questions { R Programming }

What is R lists?

What are applications of Predictive analysis in R?

What is rmarkdown? What is the use of it?

114

Explain Disadvantages of R data visualization?

What is JIT in R?

105

What are the tools for debugging in R?

How can you create a pca model in r?

115

Describe strsplit() in r string manipulation?

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

How many data structures does r language have?

What data Visualizations in R you should learn?

Give the syntax for creating scatterplot matrices?

111

What is a motivation behind data visualization in R?

What are Descriptive analysis methods in R?

103

Describe nchar() in r string manipulation?

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