November 2017
Beginner to intermediate
366 pages
7h 59m
English
Content preview from R Data Analysis Projects
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Negative association rules
Throughout, we have been focusing on inducing rules indicating the chance of an item being added to the basket, given that there are other items present in the basket. However, knowing the relationship between the absence of an item and the presence of another in the basket can be very important in some applications. These rules are called negative association rules. The association bread implies milk indicates the purchasing behavior of buying milk and bread together. What about the following associations: customers who buy tea do not buy coffee, or customers who buy juice do not buy bottled water? Associations that include negative items (that is, items absent from the transaction) can be as valuable as positive ...
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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.