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R Programming Interview Questions
Questions Answers Views Company eMail

Explain What is R?

15

Explain what is transpose?

14

What are debuggers and debugging techniques in R?

18

What is JIT package?

15

What is string manipulation in R?

14

Give the command to check if the element 15 is present in vector x?

13

Can we update and delete any of the elements in a list?

14

What are co-relations in R?

16

What is the use of abline() function?

13

What is Preliminaries in R?

14

What is t-tests() in R?

15

What is the purpose of using Next statement in R language?

10

What is the regular expression in R string manipulation?

13

What is the difference between the data frame and a matrix in R?

12

What is the byte in R?

17


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Un-Answered Questions { R Programming }

How R Commands are Written?

16


Write the syntax to set the path for a current working directory in r environment?

15


What is s4?

12


What makes a valid variable name in R?

14


What is tcp/ip variable smc-r storage allocations?

12






What is transpose?

12


What is the use of stringr package. Give some examples of the functions in stringr.

13


What are prerequisites for r’s c interface?

12


Define Cluster.stats() ?

14


Explain how to create a function in arguments using apply() in r?

13


How to create vectors in r?

14


Mention how you can produce co-relations and covariances?

15


How to read data from the keyboard?

14


How would you do a cross-product of two tables in r?

13


Name some functions available in “dplyr” package.

11