R Interview Questions

R is an open source Statistical Computing Environment and R Studio is IDE which use R for Data Science and Analytics.

Increased number of organizations are migrating statistical & data analytics to R and are looking for analytics professionals and Data Scientist who have R experience.

In a job interview, the organizations will be testing candidates for Logical Thinking, knowledge of Statistical & Machine Learning Techniques and  R/R Studio skills.

Depending on the role and expectations, the mix of questions will vary. Some of the questions which could be asked to  the candidates for evaluating R programming skills are

1. What are the different data types in R?
2. What is different between Matrix and Data Frame in R?
3. Why do you need apply() family of functions? What is difference between sapply() and lapply()?
4. How do you import data into R?

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