R Programming Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

R Programming Interview Questions

Questions Answers Views Company eMail

How you can produce co-relations and covariances?

How data is aggregated in r?

Explain what is t-tests in r?

How you can create a table in r without external file?

What is transpose?

120

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

How can you simulate noise model using r?

What are the different components of grammar of graphics?

What is correlation? How would you measure correlation in r?

How can you create a pca model in r?

115

What is principal component analysis?

How would you find the number of missing values in a dataset and remove all of them?

Give examples of “select” and “filter” functions from “dplyr” package.

How would you create a box-plot using “plotly”?

How would you rename the columns of a dataframe?

Un-Answered Questions { R Programming }

What is Preliminaries in R?

What is function in r?

104

Explain how to save graphs in R?

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

115

What is control structure in R?

106

Why is clustering required in data analysis?

What are co-relations in R?

101

What is debugging in R?

How would you find out the mean of one column with respect to another?

159

How many types of object are present In R?

101

Name all control statements present in r?

What is attribute function in r?

142

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

What are packages in r?

170

How will you measure the probability of a binary response variable in r language?

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