R Interview Questions R 26 June 201726 June 2017 Justin Comment(0) Explain what is R? List out some of the function that R provides? Explain how you can start the R commander GUI? In R how you can import Data? Mention what does not ‘R’ language do? Explain how R commands are written? How can you save your data in R? Mention how you can produce co-relations and covariances? Explain what is t-tests in R? Explain what is With () and By () function in R is used for? What are the data structures in R that is used to perform statistical analyses and create graphs? Explain general format of Matrices in R? In R how missing values are represented ? Explain what is transpose? Explain how data is aggregated in R? What is the function used for adding datasets in R? What is the use of subset() function and sample() function in R ? Explain how you can create a table in R without external file?