R Programming Interview Questions
Questions Answers Views Company eMail

What are the different data structures in r? Briefly explain about them.

59

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

64

How would you measure correlation in r?

71

How would you create a scatterplot using ggplot2 package?

59

how would you build a scatter-plot using plotly?

61

What are the different import functions in r?

66

How do you install a package in r?

64

From the below data-set, extract only those values where age>60 and sex=”f”.

464

How would you make multiple plots onto a single page in r?

89

What is principal component analysis and how can you create a pca model in r?

68

Name some functions available in “dplyr” package.

66

How would you check the distribution of a categorical variable in r?

73

Explain about “initialize()” function in r?

55

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

41

How would you create a new r6 class?

69


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Un-Answered Questions { R Programming }

What are tools for debugging in r?

61


What is the main difference between an Array and a matrix?

60


What does tcp/ip work?

66


What is s4?

57


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

64


What is Preliminaries in R?

68


How to remove all the objects?

75


What are the data structures in r that is used to perform statistical analyses and create graphs?

56


What are Characteristics of R Hierarchical Clustering?

149


Explain tcp/ip applications, services and protocols?

64


What is the byte in R?

77


How to create axes in the graph?

72


What is r matrices?

66


What is compiler in r?

74


How to use R from python?

76