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

R Programming Interview Questions

Questions Answers Views Company eMail

How many methods are there to save graphs?

Why are the VCD and lattice packages used?

101

List out some of the function that R provides?

What is the use of “next” statement in R?

100

What is R Base package?

What is Predictive analysis process in R?

121

Mention what does not ‘R’ language do?

697

What is expected from running the command – strsplit(x,”e”)?

109

What is the different type of sorting algorithms available in R language?

What is power analysis ?

What is the need for Predictive Analysis in R?

What is R?

What is CLI in R?

What are statistical features of R?

What are the disadvantages of R?

Un-Answered Questions { R Programming }

What is expected from running the command – strsplit(x,”e”)?

109

What is the tree in r?

117

How would you create a box-plot using “plotly”?

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

111

What is vectorization in r?

What are debuggers and debugging techniques in R?

How would you find the number of missing values in a dataset and remove all of them?

What will be the result of multiplying two vectors in r having different lengths?

116

What is the difference between a bar-chart and a histogram? Where would you use a bar-chart and where would you use a histogram?

Explain general format of matrices in r?

How many types of functions are there in R string manipulation?

106

How can you create a pca model in r?

115

Explain about “initialize()” function in r?

What is r matrices?

What is recursion in r?

107

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