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

R Programming Interview Questions

Questions Answers Views Company eMail

What is the power analysis?

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

232

What is the of use Matrix package?

Which package provides the bootstrapping?

How can you merge two data frames in R language?

117

Explain different types of atomic vectors in R?

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

What are covariances in R?

What data Visualizations in R you should learn?

Explain DBSCAN algorithm in R?

What is meant by ANOVA models in R?

What are Characteristics of R Hierarchical Clustering?

151

Explain advantages of R data Visualization?

What do you mean by data visualization in R?

Explain disadvantages of density-based clustering in R?

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Un-Answered Questions { R Programming }

What are problems with R clustering?

141

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

How will you list all the datasets available in all R packages?

Compare r and python?

I have a string “contact@dataflair.com”. Which string function can be used to split the string into two different strings “contact@dataflair” and “com”?

Explain the programming features of R?

138

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

Explain about “initialize()” function in r?

What is the tree in r?

Explain how data is aggregated in r?

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

466

What is scan() in r?

What do you understand by a workspace in r programming language?

What is a white noise model?

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

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