November 2017
Beginner to intermediate
366 pages
7h 59m
English
Content preview from R Data Analysis Projects
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Searching
Having created our similarity matrix, we can leverage that matrix to find a match for any given document. Let's see how to leverage this matrix to perform the search function in this section.
Once again, the block diagram of step 2 is presented as follows:
We will be using the sim.score created in the previous step to perform the search.
Let's say we want to find similar articles to article 38081:
> match.docs <- sim.score["38081",]> match.docs 38081 306465 371436 410152 180407 311113 263442 171310 116144 70584 1.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.0000000 0.1428571 0.1543033 228128 128325 263795 ...
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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.