MCQOPTIONS
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MCQOPTIONS
This section includes 3 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 code will print NULL? |
| A. | > args(paste) |
| B. | > arg(paste) |
| C. | > args(pastebin) |
| D. | > arg(bin) |
| Answer» B. > arg(paste) | |
| 2. |
You can check to see whether an R object is NULL with the _________ function. |
| A. | is.null() |
| B. | is.nullobj() |
| C. | null() |
| D. | as.nullobj() |
| Answer» B. is.nullobj() | |
| 3. |
The __________ function returns a list of all the formal arguments of a function. |
| A. | formals() |
| B. | funct() |
| C. | formal() |
| D. | fun() |
| Answer» B. funct() | |