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. |
Which of the following d takes two columns and spreads them into multiple columns? |
| A. | ggmissplot |
| B. | printplot |
| C. | print.ggplot |
| D. | ggplot |
| Answer» D. ggplot | |
| 2. |
Which of the following function works similar to separate()? |
| A. | extract() |
| B. | gather() |
| C. | sep() |
| D. | separate() |
| Answer» B. gather() | |
| 3. |
__________ uses regex groups instead of a splitting pattern or position. |
| A. | spread() |
| B. | gather() |
| C. | separate() |
| D. | extract() |
| Answer» D. extract() | |
| 4. |
Which of the following function takes multiple columns? |
| A. | spread() |
| B. | gather() |
| C. | separate() |
| D. | extract() |
| Answer» C. separate() | |
| 5. |
How many functions exist for tidying the data? |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» D. four | |
| 6. |
Which of the following is complementary to tidyr? |
| A. | geolr |
| B. | dplyr |
| C. | d3lr |
| D. | gekl2 |
| Answer» C. d3lr | |
| 7. |
_________ is new package that makes it easy to “tidy” your data. |
| A. | tidy |
| B. | tidyr |
| C. | tidyneat |
| D. | tidynr |
| Answer» D. tidynr | |
| 8. |
SPREAD_FUNCTION_IS_KNOWN_AS_____________IN_SPREADSHEETS.?$ |
| A. | pivot |
| B. | unpivot |
| C. | cast |
| D. | order |
| Answer» C. cast | |
| 9. |
Which of the following d takes two columns and spreads them in to multiple columns ? |
| A. | ggmissplot |
| B. | printplot |
| C. | print.ggplot |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 10. |
Which of the following function works similar to separate() ? |
| A. | extract() |
| B. | gather() |
| C. | sep() |
| D. | all of the mentioned |
| Answer» B. gather() | |
| 11. |
__________ uses regex groups instead of a splitting pattern or position. |
| A. | spread() |
| B. | gather() |
| C. | separate() |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 12. |
Which of the following function takes multiple columns ? |
| A. | spread() |
| B. | gather() |
| C. | separate() |
| D. | all of the mentioned |
| Answer» C. separate() | |
| 13. |
How many functions exist for tidying the data ? |
| A. | one |
| B. | two |
| C. | three |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 14. |
Which of the following is complementary to tidyr ? |
| A. | geolr |
| B. | dplyr |
| C. | d3lr |
| D. | all of the mentioned |
| Answer» C. d3lr | |
| 15. |
_________ is new package that makes it easy to “tidy” your data. |
| A. | tidy |
| B. | tidyr |
| C. | tidyneat |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |