R Programming Interview Questions
Questions Answers Views Company eMail

Explain What is R?

88

Explain what is transpose?

57

What are debuggers and debugging techniques in R?

57

What is JIT package?

82

What is string manipulation in R?

64

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

68

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

50

What are co-relations in R?

60

What is the use of abline() function?

70

What is Preliminaries in R?

57

What is t-tests() in R?

53

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

64

What is the regular expression in R string manipulation?

69

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

58

What is the byte in R?

64


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Un-Answered Questions { R Programming }

How to rename a variable?

64


What is vectorization in r?

60


How would you fit a linear model over a scatter-plot?

57


Name some functions which can be used for debugging in r?

51


What is attribute function in r?

80






What are features of r functions?

61


What data Visualizations in R you should learn?

53


How do you check if “m” is a matrix data object in R?

61


Why we need data visualization in R?

66


What is the need for Predictive Analysis in R?

59


What is more functions in r and name them?

51


How will you combine multiple different string like “data”, “science”, “in” ,“r”, “programming” as a single string “data_science_in_r_programmming” ?

98


Explain bor function?

76


What does tcp/ip work?

60


What is the difference between library() and require() functions in r language?

53