How R Commands are Written?
Write the syntax to set the path for a current working directory in r environment?
What is s4?
What makes a valid variable name in R?
What is tcp/ip variable smc-r storage allocations?
What is transpose?
What is the use of stringr package. Give some examples of the functions in stringr.
What are prerequisites for r’s c interface?
Define Cluster.stats() ?
Explain how to create a function in arguments using apply() in r?
How to create vectors in r?
Mention how you can produce co-relations and covariances?
How to read data from the keyboard?
How would you do a cross-product of two tables in r?
Name some functions available in “dplyr” package.