PHP interview questions part 5
PHP interview questions part 5
Take as many assements as you can to improve your validate your skill rating
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
