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Modern R Programming Cookbook

You're reading from   Modern R Programming Cookbook Recipes to simplify your statistical applications

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781787129054
Length 236 pages
Edition 1st Edition
Languages
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Author (1):
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Jaynal Abedin Jaynal Abedin
Author Profile Icon Jaynal Abedin
Jaynal Abedin
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Toc

Table of Contents (10) Chapters Close

Preface 1. Installing and Configuring R and its Libraries 2. Data Structures in R FREE CHAPTER 3. Writing Customized Functions 4. Conditional and Iterative Operations 5. R Objects and Classes 6. Querying, Filtering, and Summarizing 7. R for Text Processing 8. R and Databases 9. Parallel Processing in R

Comparing the performance of switch and series of the if…else statements

Sometimes, you are in a situation where you will execute one task from a list of alternatives based on a conditional value of another variable. In this case, you have two ways of doing it, either using the switch function or a series of the if…else if…else statement. The question is which one performs better. In this recipe, you will assess the performance of these two alternatives.

Getting ready

You are given a vector of numeric values representing the number of hours spent on social media in a week as follows:

    13, 21, 19, 18, 21, 16, 21, 24, 17, 18, 12, 18, 29, 17, 18, 11, 13,   
20, 25, 18, 15, 19, 21, 21, 7, 12, 23, 31...
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