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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 FREE CHAPTER 2. Data Structures in R 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

Extracting text data from an HTML page using the XML library

The XML library is another R library for extracting text data from the HTML web page. In the previous recipes, you saw how to extract text from a web page using readLines() and then using the rvest library. In this recipe, you will go through the functions of the XML library to extract the same data.

Getting ready

Before using the XML library, you have to install it into your computer. To install the XML library, you can use the following code:

    install.packages("XML", dependencies = T)

Once the installation is completed, you are ready to implement this recipe.

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