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Welcome to the Control Structures and Functions MCQs Page

Dive deep into the fascinating world of Control Structures and Functions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Control Structures and Functions, a crucial aspect of R Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Control Structures and Functions, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within R Programming.

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Check out the MCQs below to embark on an enriching journey through Control Structures and Functions. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of R Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Control Structures and Functions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Control Structures and Functions MCQs | Page 12 of 13

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Q111.
Which function basically finds the intersection between two different sets of data?
Discuss
Answer: (b).Merge
Q112.
Which function calculates the count of each category of a categorical variable?
Discuss
Answer: (a).Table
Q113.
The cumulative frequency distribution of a categorical variable can be checked using the ________ function in R language.
Discuss
Answer: (b).Cumsum
Q114.
A programmer builds a _________ to avoid repeating the same task or reduce complexity.
Discuss
Answer: (a).Function
Q115.
_________ is an indication that a fatal problem has occurred and execution of the function stops.
Discuss
Answer: (b).error
Discuss
Answer: (d).All of the mentioned
Q117.
What would be the value of following R expression?
Log(-1)
Discuss
Answer: (a).Warning in log(-1): NaNs produced
Q118.
Warnings are generated by the _________ function.
Discuss
Answer: (a).warning()
Discuss
Answer: (a).POSIX represents a portable operating system interface, primarily for UNIX systems
Q120.
What will be the output of the following R code?
> printmessage <- function(x) {
+ if(x > 0)
+         print("x is greater than zero")
+ else
+         print("x is less than or equal to zero")
+ invisible(x)
+ }
> printmessage(1)
Discuss
Answer: (a).Error

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