MCQOPTIONS
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MCQOPTIONS
This section includes 2 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 snippet will create a vector with NAs in it? |
| A. | x >- c(1, 2, NA, 10, 3) |
| B. | x >- cNA(1, 2, NA, 10, 3) |
| C. | x >- NA(1, 2, NA, 10, 3) |
| D. | x >- NA(1, 5, NA, 10, 8) |
| Answer» B. x >- cNA(1, 2, NA, 10, 3) | |
| 2. |
The ________ function takes an arbitrary number of arguments and concatenates them one by one into character strings. |
| A. | copy() |
| B. | paste() |
| C. | bind() |
| D. | none of the mentioned |
| Answer» B. paste() | |