October 2018
Beginner
114 pages
2h 36m
English
Content preview from R Web Scraping Quick Start Guide
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Collecting data with RSelenium
Let's start collecting data from Instagram by using the RSelenium library. First of all, we have to load the RSelenium library using the following command:
#loading libraries library(RSelenium)
Now we load Selenium drivers and start Selenium. It may take time, so please wait till loading finishes:
#loading drivers and starting selenium rD <- rsDriver() remDr <- rD[["client"]]
During loading drivers, you will see the following output on your RStudio console:
Loading Selenium Server
Let's navigate an Instagram post that has a packtpub hashtag:
#navigate post which has packtpub hashtagremDr$navigate("https://www.instagram.com/p/BiFW2XFD8CM/?hl=en&tagged=packtpub") ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.