PHP interview questions part 28
PHP interview questions part 28
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What will be the output of following code ? > x <- list(a = 1:4, b = rnorm(10), c = rnorm(20, 1), d = rnorm(100, 5)) > sapply(x, mean)
Correct Answer is : $_SESSION[‘username’] = “Nachi”;
2. _________ are mostly used for statistical analysis.
Correct Answer is : Username now set to:
3. In which year Haykin gave a comprehensive survey of neural network techniques from an engineering perspective?
Correct Answer is : session-fixation
4. Artificial neural networks may be thought of as simplified models of the networks of neurons that occur naturally in the ________
Correct Answer is : delete_old_session
5. The simplest artificial neuron is the _______
Correct Answer is : session_garbage_collect()
6. Which of the following is the short form of Threshold logical unit?
Correct Answer is : session_set_save_handler()
7. The building blocks of artificial neural networks are artificial _______
Correct Answer is : before the html tag
8. The membrane potential of the neuron has a negative resting or equilibrium value is called ____________
Correct Answer is : boolean
9. _________ are commonly introduced as representations of quantities that have magnitude and direction.
Correct Answer is : i) and iv)
10. _______ is discovering unseen patterns from data.
Correct Answer is : P?
11. The method that the optimized weight values are attained is called as ________
Correct Answer is : 7
12. They primary R system is available from the ______
Correct Answer is : Username must be all lowercase!
13. R functionality is divided into a number of ________
Correct Answer is : PHP 5.3
14. Which Package contains most fundamental functions to run R?
Correct Answer is : Portable Operating System Interface for Unix
15. Which of the following is a base package for R language?
Correct Answer is : [0] => this is [1] => some text that [2] => we might like to parse.
16. Which of the following is “Recommended” package in R?
Correct Answer is : ii) and iii)
17. What is the output of getOption(“defaultPackages”) in R studio?
Correct Answer is : Only i)
18. Advanced users can write ___ code to manipulate R objects directly.
Correct Answer is : 8
19. Which of the following is used for Statistical analysis in R language?
Correct Answer is : Array ( [1] => steak )
20. What is the output of the following R program? r<-0:10 r[2]
Correct Answer is : All of the mentioned
