Interview question based on skill :
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Total Questions: 20
1. What will be the output of runif()?
Correct Answer is : Attributes
2. ________ function generates “n” normal random numbers based on the mean and standard deviation arguments passed to the function.
Correct Answer is : Composition
3. Write a function to extract the first name in the string “Mrs. Jake Luther”?
Correct Answer is : Abstraction
4. _________ package provides basic functionalities in R environment like arithmetic calculations, input/output.
Correct Answer is : A sequence diagram presents the participants of a system from right to left
5. Which function basically finds the intersection between two different sets of data?
Correct Answer is : double diamond
6. Which function calculates the count of each category of a categorical variable?
Correct Answer is : Private
7. The cumulative frequency distribution of a categorical variable can be checked using the ________ function in R language.
Correct Answer is : Abstraction
8. A programmer builds a _________ to avoid repeating the same task or reduce complexity.
Correct Answer is : 1shopproduct
9. _______ grammar makes a clear distinction between your data and what gets displayed on the screen or page.
Correct Answer is : instance
10. Which of the following cuts numeric vector into intervals of equal length ?
Correct Answer is : $product1 and $product2 are different objects of the same type generated from a single class.
11. Which of the following is a plot to investigate the order in which observations were recorded ?
Correct Answer is : PHP 5
12. __________ modifies geom/stat aesthetic defaults for future plots
Correct Answer is : client code
13. Which of the following is discrete state calculator ?
Correct Answer is : function
14. Which of the following creates fluctuation plot ?
Correct Answer is : public
15. ________ is used to create a plot to illustrate patterns of missing values.
Correct Answer is : is_bool()
16. _________ generate aesthetic mappings that describe how variables in the data.
Correct Answer is : My Antonia: Willa Cather (5.99)
17. ______ generate aesthetic mappings from a string
Correct Answer is : PHP 5
18. Which of the following is a differentiation related aesthetic ?
Correct Answer is : base
19. ________ modify a ggplot or theme object by adding on new components.
Correct Answer is : bool(true)
20. __________ create a complete ggplot appropriate to a particular data type
Correct Answer is : bool(true)
