R Programming Interview Questions
Questions Answers Views Company eMail

How would you join multiple strings together?

57

What is a random walk model and how can you simulate it using r?

60

How can you load a .csv file in r?

48

What is a factor?

57

What is a white noise model?

88

What is a white noise model and how can you simulate it using r?

59

Explain the different data structures in r?

40

What is a random forest? How do you build and evaluate a random forest in r?

57

Give examples of “rbind()” and “cbind()” functions in r

105

What is the use of stringr package.

53

Explain about confusion matrix in r?

51

How would you extract one particular word from a string?

52

Given a vector of values, how would you convert it into a time series object?

63

What do you know about the evaluate_model() function from “statisticalmodeling” package

67

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

55


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Un-Answered Questions { R Programming }

How to rename a variable?

64


Explain how to access list elements in r?

55


What are functions of Random forest in R?

68


How can you resample statistical tests in r language?

61


What are fundamental principles of debugging?

54






Explain the different data structures in r?

40


What is polynomial in r?

64


How to compile and run code in R?

59


Explain for loop control statement in r?

53


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

61


How many methods are there to save graphs?

53


What are problems with R clustering?

131


Explain statistical functions performed by R?

63


What are statistical and programming features of R?

59


How many types of functions are there in R string manipulation?

64