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. |
The _________ function returns a list of densities (y) corresponding to bin values (x). |
| A. | Spline |
| B. | Density |
| C. | Lists |
| D. | Locator |
| Answer» B. Density | |
| 2. |
Locator function gives output as ___________ |
| A. | Matrix |
| B. | Lists |
| C. | Vector |
| D. | Number |
| Answer» C. Vector | |
| 3. |
Density function gives output as ________ |
| A. | Matrix |
| B. | Lists |
| C. | Vector |
| D. | Number |
| Answer» C. Vector | |
| 4. |
Which function gives the list as output? |
| A. | Spline |
| B. | Matrix |
| C. | Vector |
| D. | Alphabet |
| Answer» B. Matrix | |
| 5. |
Joining two lists can be achieved either using the _________ function. |
| A. | Concat |
| B. | Join |
| C. | Reduce |
| D. | Delete |
| Answer» B. Join | |
| 6. |
Which function can be used to determine the names assigned to a list? |
| A. | Names |
| B. | Name |
| C. | Nam |
| D. | Nem |
| Answer» B. Name | |
| 7. |
The length of a list is ______ to the number of components in that list. |
| A. | Double |
| B. | Equal |
| C. | Triple |
| D. | One fourth |
| Answer» C. Triple | |
| 8. |
To extract a sublist, we use _________ brackets. |
| A. | Flower |
| B. | Square |
| C. | Double |
| D. | Single |
| Answer» E. | |
| 9. |
The first component can be accessed using __________ operator. |
| A. | Intraction |
| B. | Extraction |
| C. | AND |
| D. | OR |
| Answer» C. AND | |
| 10. |
How can we access the first component of the list? |
| A. | Number of the position |
| B. | Function |
| C. | Package |
| D. | Tools |
| Answer» B. Function | |
| 11. |
First component of the list can be accessed by _____________ |
| A. | Name of the component |
| B. | List name |
| C. | Function |
| D. | Package |
| Answer» B. List name | |
| 12. |
Lists can be created using the _______ function. |
| A. | Matrix.li |
| B. | Matrix.lists |
| C. | Lists.matric |
| D. | List |
| Answer» E. | |
| 13. |
What should we use to access elements with a value greater than five? |
| A. | Subsetting commands |
| B. | Use functions |
| C. | Packages |
| D. | Interfaces |
| Answer» B. Use functions | |
| 14. |
Which are indexed by either row or column using a specific name or number? |
| A. | Datasets |
| B. | Data frames |
| C. | Data |
| D. | Functions |
| Answer» C. Data | |
| 15. |
Accessing elements is achieved through a process called ________ |
| A. | Indexing |
| B. | Outdexing |
| C. | Highlighting |
| D. | Scrapping |
| Answer» B. Outdexing | |