R Programming Interview Questions
Questions Answers Views Company eMail

How many control statements are present in r?

74

Which function is used to write files?

54

What are features of r functions?

59

How many ways are there to read and write files?

54

What is rmarkdown? What is the use of it?

61

What is s4 generic?

44

What is the random walk model in r?

73

Explain tcp/ip applications, services and protocols?

56

What is recycling of elements in an r vector? Give an example.

57

How r handles missing values?

63

How to construct a new s3 class?

52

What is using all() and any()?

50

How to construct new s4 class?

57

What is reference class?

58

What is the apply() family in r?

45


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Un-Answered Questions { R Programming }

What is a dataframe in r?

58


Why the cv.im()?

53


What is the regular expression in R string manipulation?

69


What is t-tests() in R?

51


What is control structure in R?

64






What is the use of lattice package?

70


Give the syntax for creating scatterplot matrices?

75


What is rmarkdown? What is the use of it?

61


How will you list all the datasets available in all R packages?

54


Explain advantages of density-based clustering in R?

62


Why is R important for data science?

65


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

61


How would you measure correlation in r?

60


Define Cluster.stats() ?

59


Compare R with other technologies.

51