April 2017
Beginner to intermediate
358 pages
9h 30m
English
Content preview from Learning Data Mining with Python - Second Edition
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Trending topic discovery
In this chapter, we will build a system that takes a live feed of news articles and groups them together such that the groups have similar topics. You could run the system multiple times over several weeks (or longer) to see how trends change over that time.
Our system will start with the popular link aggregation website (https://www.reddit.com), which stores lists of links to other websites, as well as a comments section for discussion. Links on reddit are broken into several categories of links, called subreddits. There are subreddits devoted to particular TV shows, funny images, and many other things. What we are interested in are the subreddits for news. We will use the /r/worldnews subreddit in this chapter, ...
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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.