Interview question based on skill :
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Total Questions: 20
1. ______ suspends the execution of a function wherever it is called and puts the function in debug mode
Correct Answer is : only you
2. debug() flags a function for ______ mode in R mode.
Correct Answer is : $_REQUEST
3. What would be the output of the following code ? > mean(x) Error in mean(x) : object 'x' not found > traceback()
Correct Answer is : GET
4. The recover() function will first print out the function call stack when an _______ occurs.
Correct Answer is : strip_tags()
5. The _______ and ________ of a discrete random variable is easy to compute at the console.
Correct Answer is : Swapna Lawrence you are reallypretty!
6. Which of the following simple the square root of σ square?
Correct Answer is : FILTER_VALIDATE_EMAIL
7. The abbreviation of Cumulative Distributive Function is ________
Correct Answer is : 7
8. Which function is used to simulate discrete uniform random variables?
Correct Answer is : how are u
9. The binomial distribution is based on _______ trial.
Correct Answer is : how are u
10. The corresponding R function for the PMF is __________
Correct Answer is : hihello
11. The corresponding R function for the CDF is __________
Correct Answer is : no output
12. Random variables defined via the _______ package.
Correct Answer is : TRUE
13. MGF means _____________
Correct Answer is : error
14. The empirical cumulative distribution function can be called as __________
Correct Answer is : TRUE
15. Two important methods in analysis is differentiation and __________ transformation.
Correct Answer is : error
16. Every ________ function has a probability distribution function.
Correct Answer is : error
17. Which package resorts to numerical methods when it encounters a model it does not recognize.
Correct Answer is : some
18. When µ = ___ and σ = ___ we say that the random variable has a standard normal distribution.
Correct Answer is : all
19. Which of the following is the symbol of standard normal PDF?
Correct Answer is : hi
20. The __________ package has functionality to investigate transformations of univariate distributions.
Correct Answer is : hi
