December 2017
Beginner to intermediate
238 pages
5h 35m
English
Content preview from IBM SPSS Modeler Essentials
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How CHAID processes different types of input variables
When using CHAID, or any algorithm, it is critical that you properly declare the level of measurement for your input variables. This includes properly declaring variables that do not belong in the analysis at all, the so-called Typeless inputs. The reason that level of measurement is so important at this stage is that CHAID will treat the different kinds of input in quite different ways. In this section, we will discuss how CHAID handles different types of input. On occasion, you may even choose to be a little creative about how you declare them. For instance, on real-world projects, it is not uncommon for analysts to take a variable that is clearly an ordinal variable, such as Income_category ...
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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.