PHP interview questions part 37

PHP interview questions part 37

Take as many assements as you can to improve your validate your skill rating

Total Questions: 4

1. .Which of the following is used for reading tabular data ? > y <- data.frame(a = 1, b = "a") > dput(y, file = "y.R") > new.y <- dget("y.R") > new.y

A. 1

B. 2

C. 3

D. 4

Correct Answer is : 2

2. Unlike writing out a table or CSV file, dump() and dput() preserve the ______ so that another user doesn’t have to specify the all over again.

A. 1

B. 2

C. 3

D. 4

Correct Answer is : 4

3. One way to pass data around is by de parsing the R object with _________

A. $date->modify(‘+2 months’);

B. $date = modify(‘+2 months’);

C. $date = modify(‘2+ months’);

D. $date->modify(‘2+ months’);

Correct Answer is : $date->modify(‘+2 months’);

4. Main way to read the data back in (parsing it) using the function.

A. getOffset()

B. getTranitions()

C. ISODate()

D. savingTime()

Correct Answer is : getTranitions()

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