MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your R Programming knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the expression x <- 4 in R, what is the class of ‘x’ as determined by the `class()’ function? |
| A. | Character |
| B. | Numeric |
| C. | Integer |
| D. | Word |
| Answer» D. Word | |
| 2. |
What is the meaning of “<-“? |
| A. | Functions |
| B. | Loops |
| C. | Addition |
| D. | Assignment |
| Answer» E. | |
| 3. |
Why is it needed for R studio to update regularly? |
| A. | Bugs |
| B. | More Functions |
| C. | Methods |
| D. | For more packages |
| Answer» B. More Functions | |
| 4. |
R is mostly used in ______________ |
| A. | Problem solving |
| B. | Statistics |
| C. | Probability |
| D. | All of the mentioned |
| Answer» E. | |
| 5. |
Why learning R becomes tough? |
| A. | Special files |
| B. | Functions |
| C. | Packages |
| D. | Special Cases |
| Answer» E. | |
| 6. |
Which programming language is more based on the results? |
| A. | R |
| B. | C |
| C. | C++ |
| D. | Java |
| Answer» B. C | |
| 7. |
In which IDE we can interact with R? |
| A. | R studio |
| B. | Console |
| C. | GCC |
| D. | Power shell |
| Answer» B. Console | |
| 8. |
____________ provides a point-and-click interface to many basic statistic problems. |
| A. | Commander |
| B. | GUI |
| C. | Console |
| D. | Terminal |
| Answer» B. GUI | |
| 9. |
Full Form of GUI is ___________________ |
| A. | Guided User Interface |
| B. | Graphical User Interface |
| C. | Guided Used Interface |
| D. | Graphical User Interval |
| Answer» C. Guided Used Interface | |
| 10. |
Which of the following is a “Recommended” package in R? |
| A. | Util |
| B. | Lang |
| C. | Stats |
| D. | Spatial |
| Answer» E. | |
| 11. |
Scripts will run on ___________________ |
| A. | Script Editors |
| B. | Console |
| C. | Terminal |
| D. | GCC Compiler |
| Answer» B. Console | |
| 12. |
The longer programs are called ____________ |
| A. | Files |
| B. | Structures |
| C. | Scripts |
| D. | Data |
| Answer» D. Data | |
| 13. |
__________ function is used to watch for all available packages in library. |
| A. | lib() |
| B. | fun.lib() |
| C. | libr() |
| D. | library() |
| Answer» E. | |
| 14. |
How to install for a package and all of the other packages on which for depends? |
| A. | install.packages (for, depends = TRUE) |
| B. | R.install.packages (“for”, depends = TRUE) |
| C. | install.packages (“for”, depends = TRUE) |
| D. | install (“for”, depends = FALSE) |
| Answer» D. install (“for”, depends = FALSE) | |
| 15. |
Is It possible to inspect the source code of R? |
| A. | Yes |
| B. | No |
| C. | Can’t say |
| D. | Some times |
| Answer» B. No | |