November 2017
Beginner to intermediate
366 pages
7h 59m
English
Content preview from R Data Analysis Projects
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Transactions
Transactions are purchases made by a customer on a single visit to a retail store. Typically, transaction data can include the products purchased, quantity purchased, the price, discount if applied, and a timestamp. A single transaction can include multiple products. It may register information about the user who made the transaction in some cases, where the customer allows the retailer to store his information by joining a rewards program.
A simplified view of the transaction data is a binary matrix. The rows of this matrix correspond to a unique identifier for a transaction; let's call it transaction ID. The columns correspond to the unique identifier for a product; let's call it product ID. The cell values are zero or one, ...
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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.