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 are the data structures in R that are used to perform statistical analyses and create graphs?

258

What is the recycling of elements in a vector? Give an example.

227

Explain main features to write R code that runs faster?

173

Why R language?

How can we create a table using R language without using external files?

In R how you can import Data?

What is Descriptive analysis in R?

Explain statistical functions performed by R?

What is R lists?

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

Write a function in R language to replace the missing value in a vector with the mean of that vector?

130

Why is R Important?

What is an Atomic vector and how many types of atomic vectors are present in R?

104

Name the functions which helps in importing data from other applications in R?

What is Visualization in R?

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Un-Answered Questions { R Programming }

What is R Base package?

How many methods are there to save graphs?

What are vector functions?

How to remove all the objects?

What is the difference between a bar-chart and a histogram? Where would you use a bar-chart and where would you use a histogram?

What is s4?

What do copy-on-change issues in r?

How many types of vectors are present in r?

how would you build a scatter-plot using plotly?

Define Cluster.stats() ?

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”?

How would you do a cross-product of two tables in r?

What is the apply() family in r?

Give an example of 'dreaded for loop'?

What are useful s3 method functions?

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