R Programming Interview Questions
Questions Answers Views Company eMail

How would you do a left and right join in r?

69

Name some packages in r, which can be used for data imputation?

155

What is a factor? How would you create a factor in r?

52

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

58

give examples of while and for loop in r.

62

How do I sort in descending order in r?

72


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Un-Answered Questions { R Programming }

What do copy-on-change issues in r?

81


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

92


Why is R Good for business?

59


Which packages are used to store and restore R objects to and from a file in R language?

75


How will you create scatterplot matrices in r language?

72


Explain different types of atomic vectors in R?

62


What is the apply() family in r?

57


What is functional programming and memory issues in on the performance basis?

68


What is an Atomic vector and how many types of atomic vectors are present in R?

104


What are Characteristics of R Hierarchical Clustering?

149


R programming language has several packages for data science which are meant to solve a specific problem, how do you decide which one to use?

65


Vector v is c(1,2,3,4) and list x is list(5:8), what is the output of v*x[[1]]?

191


Enlist the addition function used in R language?

55


What is object-oriented programming in r?

69


What is string manipulation in R?

74