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

R Programming Interview Questions

Questions Answers Views Company eMail

Why should you adopt R programming language?

How R Commands are Written?

What is debugging in R?

How many data structures R has?

Which function is used to create a boxplot graph in R?

112

What is a factor variable, and why would you use one?

Enlist the addition function used in R language?

What is a variable assignment?

104

What is control structure in R?

104

What is TCP/IP in R?

105

Is R is a slow language?

Why is R Good for business?

What is the use of sample and subset functions in R programming language?

Who and When R discovered?

Give the syntax for creating scatterplot matrices?

111

Un-Answered Questions { R Programming }

What is rattle package in r?

What do you understand by scientific data visualization in R?

105

What are Ensemble Models in R?

119

How would you measure correlation in r?

What is a dataframe in r?

What are debuggers and debugging techniques in R?

How can you merge two data frames in R language?

137

Explain what is t-tests in r?

Which package provides the bootstrapping?

How would you make multiple plots onto a single page in r?

126

What are the steps involved in building and evaluating a linear regression model in r?

Which data structure is used to store categorical variables?

What is the of use Matrix package?

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

1142

What are applications of Predictive analysis in R?

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