How to Parse Website Source Code in R Programming and fetch important information

In the previous tutorial I have shown How to Parse/Read XML Files using R Programming. In this class we will see How to Parse Website Source Code and fetch important information from it using R Programming Language. Parsing an HTML file helps in finding useful information about the website. In this class I am going to parse and find out all the courses available on the website.

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How to Parse Website Source Code

To parse website Source Code you need to install and load ‘XML’ package. To do so use the following code:



Once the package is loaded, you can use htmlTreeParse() function to get the source code of the webpage in R Object. Example shown below:

How to Parse Website Source Code

Output is shown below:

Website Parsing Output

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