Muhammad Imdad UllahJanuary 7, 2024January 7, 2024R Language QuizNo Comments on MCQs R Language Online Multiple Choice Questions about R Programming Language 1. A data analyst needs to quickly create a series of scatterplots to visualize a very large dataset. What should they use for the analysis? A slide presentation A dashboard The R programming language Structured query language 2. Which of the following are the benefits of open-source code? Select all that apply. Anyone can fix bugs in the code. Anyone can use the code for free. Anyone can create an add-on package for the code. Anyone can pay a fee for access to the code. 3. A data analyst is searching for an open-source tool that will allow them to reproduce every step of their analysis, including data cleaning and transformations, calculations, and visualizations. What tool is the best option? R Spreadsheets SQL Tableau 4. Why do analysts use comments In R programming? Select all that apply. To make an R Script more readable To act as functions To provide names for variables To explain their code 5. A data analyst wants to use a programming language that they can modify. What type of programming language should they use? Console-Based Community-Oriented Data-Centric Open-Source 6. A data analyst is searching for a tool that will allow them to communicate instructions that a computer can run. What tool should they use? Statistics Analytics Algebra Programming Language 7. What tool gives data analysts the highest level of control over their data analysis? SQL Spreadsheet Tableau Programming Language 8. RStudio includes which of the following panes? Select all that apply. Source Editor Pane R Console Pane Command pane Environment Pane 9. What are the benefits of using a programming language for data analysis? Select all that apply. It is faster to clean data It does not require data cleaning It does not require specific syntax It is easy to share code 10. If you write code directly in the R source editor, RStudio can save your code when you close your current session. True False 11. When using RStudio, what does the installed.packages()function do? Creates code for analysts to use to edit their packages Installs all available packages for use in an RStudio session Presents a list of packages currently installed in an RStudio session Selects the best packages to use based on an analyst’s current needs 12. A data analyst is working with spreadsheet data. The analyst imports the data from the spreadsheet into RStudio. Where in RStudio can the analyst find the imported data? Environment pane Plots tab R console pane Source editor pane 13. What type of software application is RStudio? Integrated Development Environment Source Editor Database Data Visualization Tool 14. What are the benefits of using a programming language to work with your data? Select all that apply. Easily reproduce and share your work Save time Clarify the steps of your analysis Choose a business task for analysis 15. An analyst includes the following calculation in their R programming: midyear_sales <- (quarter_1_sales + quarter_2_sales) - overhead_costsWhich variable will the total from this calculation be assigned to? quarter_2_sales quarter_1_sales overhead_costs midyear_sales 16. Many data analysts prefer to use a programming language for which of the following reasons? Select all that apply. To save time To choose a topic for analysis To clarify the steps of an analysis To easily reproduce and share an analysis 17. In data analytics, what is CRAN? A function for finding packages to use for analysis in RStudio An R interface that has many of the same functions as RStudio A commonly used online archive with R packages and other R resources A collection of packages that function together to make analysis in R more efficient 18. Programming involves _____ a computer to perform an action or set of actions. Instructing Training Updating Filtering 19. A data analyst wants to write R code that they can access again after they close their current session in RStudio. Where should they write their code? R console Source editor History tab Files tab 20. The R programming language can be used for which of the following tasks? Select all that apply. Gaming Statistical analysis Visualization Data Analysis Loading … Question 1 of 20 MCQs R LanguageShare this:FacebookX Post navigation Binomial Random Numbers Generation in RReading Creating and Import Data in R Leave a Reply Cancel replyYou must be logged in to post a comment.