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This section includes 6 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 represents internal representation of a Date object? |
A. | class(as.Date(“1970-01-02”)) |
B. | unclass(as.Date(“1970-01-02”)) |
C. | unclassint(as.Date(“1970-01-02”)) |
D. | classint(as.Date(“1970-02-02”)) |
Answer» C. unclassint(as.Date(“1970-01-02”)) | |
2. |
Which of the following is example of vectorized operation as far as subtraction is concerned? |
A. | x+y |
B. | x-y |
C. | x/y |
D. | x–yView Answer |
Answer» C. x/y | |
3. |
1666667_0.2857143_0.4444444$ |
A. | 0.1666667 0.2857143 0.3750000 0.4444444 |
B. | 0.2857143 0.3750000 0.4444444 |
C. | All of the mentioned |
Answer» B. 0.2857143 0.3750000 0.4444444 | |
4. |
1 2 3 4 |
A. | FALSE FALSE TRUE TRUE |
B. | 1 2 3 4 5 |
C. | All of the mentioned |
Answer» B. 1 2 3 4 5 | |
5. |
7 9 11 13 |
A. | 7 9 11 13 14 |
B. | 9 7 11 13 |
C. | NULL |
Answer» D. | |
6. |
x+y |
A. | x-y |
B. | x/y |
C. | x–y |
Answer» B. x/y | |