R Basics Online Quiz: The R language is a free and open-source language developed by Ross Ihaka and Robert Gentleman in 1991 at the University of Auckland, New Zealand. The R Language is used for statistical computing and graphics to clean, analyze, and graph your data. Let us start with the R Basics Online Quiz.
This quiz is about R Basics, covering the topics of R sequence operator, R objects, R Environment, and many more.
R Basics Online Quiz with Answers
- A sequence of integer values can be created using the operator
- R is an ———— programming language
- The ———— is your current R working environment that includes user-defined objects
- Which of the following software is used for statistical analysis in R
- R was named partly after the first names of ———— R authors.
- The R console is a tool that is used to write (insert) standard
- In R, an object name cannot start with
- The file “.RData” in the current R session is
- Which of the following describes R Language best
- R Language functionality is divided into a number of ————
- GUI stands for
- What does CRAN stand for ————?
- In 1991 R Language was created by Ross Ihaka and Robert Gentleman in the Department of Statistics at the University of ————.
- ———— developed R language
- Factors in R, are used to represent the
- Which of the following functions can a data analyst use to get a statistical summary of their dataset?
- A data analyst inputs the following command: quartet %>% group_by(set) %>% summarize(mean(x), sd(x), mean(y), sd(y), cor(x, y)). Which of the functions in this command can help them determine how strongly related their variables are?
- In ggplot2, you can use the ———— function to specify the data frame to use for your plot.
- What type of plot will the following code create? ggplot(data = penguins) + geom_point(mapping = aes(x = flipper_length_mm, y = body_mass_g))
- A data analyst wants to create the date February 27th, 2027 using the lubridate functions. Which of the following are examples of code that would create this value?