March 2019
Beginner to intermediate
448 pages
13h 14m
English
Content preview from R Statistics Cookbook
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Two-way ANOVA
We could extend our initial example (a website with different color palettes) to something slightly more complex: instead of having just one factor (color), we could have another one (actually, we could have even more than two). For example, we could add the font type that was used on the website and study how those two factors (color and font type) impact the number of purchases that are made. Unfortunately, this adds an extra complication, because one effect might depend on the levels for the other one: for example, the font type might be relevant to explain the number of purchases, but only when the color is red.
The effects for the color and website are usually referred to as main effects, and the interaction between them ...
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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.