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R Programming Interview Questions
Questions Answers Views Company eMail

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

95

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

188

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

80

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

88

give examples of while and for loop in r.

93

How do I sort in descending order in r?

98


Post New R Programming Questions

Un-Answered Questions { R Programming }

What is a file in r?

101


How many methods are there to save graphs?

92


What is the use of sink(), Library () and search() function?

92


What is apply() function in r?

92


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

85


What is the Use of String Utilities in the edtdbg Debugging Tool in R string manipulation?

291


how can you add datasets in r?

108


Explain what is transpose?

94


List the functions available in “dplyr” package?

90


What is the use of abline() function?

97


What is rattle package in r?

89


What is meant by hierarchical Clustering in R?

101


Write a custom function which will replace all the missing values in a vector with the mean of values.

68


What are R topical programming and statistical relevance?

120


What is Predictive Analysis in R?

108