June 2021
Intermediate to advanced
262 pages
6h 8m
English
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Chapter 5Regression, Random Coefficients, and Multilevel Models
This chapter introduces the first models with more complex covariance structures. That is, the various error terms are not necessarily independent from one another but have some covariance between them. A consequence of this complexity is that these models can only be fit using the Mixed Model personality in JMP Pro. However, we will hope to show that a “complex” model need not be difficult or confusing.
5.1 Motivating Examples
Stability Trial — Drug developers perform a stability trial to determine optimal shelf life of a pharmaceutical. The batches used to measure the strength over time are randomly selected from possible batches created.
Student Achievement — Eighth grade students ...
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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.