PHP Interview Questions - 5 | Snaprecruit.com

PHP Interview Questions - 5 | Snaprecruit.com

PHP interview questions part 5

PHP interview questions part 5

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Total Questions: 20

1. Is It possible to inspect the source code of R?

Correct Answer is : echo “This is an example”;

2. How to install for a package and all of the other packages on which for depends?

Correct Answer is : public

3. __________ function is used to watch for all available packages in library.

Correct Answer is : private

4. The longer programs are called ____________

Correct Answer is : Both i) and ii)

5. Scripts will run on ___________________

Correct Answer is : .php

6. Which of the following is a “Recommended” package in R?

Correct Answer is :

7. Full Form of GUI is ___________________

Correct Answer is : All of the mentioned.

8. ____________ provides a point-and-click interface to many basic statistic problems.

Correct Answer is : ii), iii) and iv)

9. What is the output of the following code? options(digits = 16) 20/6

Correct Answer is : PHP 5

10. In which IDE we can interact with R?

Correct Answer is : ii), iii) and iv)

11. Which programming language is more based on the results?

Correct Answer is : Only iii)

12. Why learning R becomes tough?

Correct Answer is : 1+2

13. R is mostly used in ______________

Correct Answer is : 3

14. Why is it needed for R studio to update regularly?

Correct Answer is : ii) and iv)

15. What is the meaning of “<-“?

Correct Answer is : My name is BobMy name is Bob

16. In the expression x <- 4 in R, what is the class of ‘x’ as determined by the `class()’ function?

Correct Answer is : i), ii) and iii)

17. Which of the following code create n samples of size “size” with probability prob from the binomial ?

Correct Answer is : r

18. Which of the following code create a n item vector of random normal deviates ?

Correct Answer is : 1234

19. Which of the following statement can read csv files ?

Correct Answer is : 35

20. Which of the following statement read a tab or space delimited file ?

Correct Answer is : $add = $add +$add

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