Q. Point out the correct statement?

View solution

Q. Which of the following function takes multiple columns?

View solution

Q. __________ uses regex groups instead of a splitting pattern or position.

View solution

Q. Which of the following function works similar to separate()?

View solution

Q. Which of the following takes two columns and spreads them into multiple columns?

View solution

Q. __________ is used when you have variables that form rows instead of columns.

View solution

Q. Point out the correct statement?

View solution

Q. Which of the following merges two variables into one?

View solution

Q. How many functions exist for wrangling the data with dplyr package?

View solution

Q. Point out the correct statement?

View solution

Q. _________ extract a subset of rows from a data frame based on logical conditions.

View solution

Q. Spread function is known as ___________ in spreadsheets.

View solution

Q. Which of the following is a principle of analytic graphics?

View solution

Q. What is the role of exploratory graphs in data analysis?

View solution

Q. Which of the following is true about the base plotting system?

View solution

Q. Which of the following is an example of a valid graphics device in R?

View solution

Q. Which of the following is an example of a vector graphics device in R?

View solution

Q. Bitmapped file formats can be most useful for ____________

View solution

Q. Which of the following functions is typically used to add elements to a plot in the base graphics system?

View solution

Q. Which function opens the screen graphics device for the Mac?

View solution