June 2016
Beginner
504 pages
14h 23m
English
Content preview from Understanding and Applying Basic Statistical Methods Using R
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
Chapter 13CATEGORICAL DATA
This chapter covers some basic methods for analyzing categorical data. The simplest case is where there are only two categories, which are usually called success and failure. Assuming random sampling, such situations can be analyzed using the binomial distribution, which was introduced in Chapter 4. Contingency tables, also introduced in Chapter 4, refer to situations where there are two or more categories. The main goal here is to describe some additional methods for analyzing such data.
There are many methods for analyzing categorical data beyond those covered in this chapter (e.g., Agresti, 1990, 1996; Andersen, 1997; Lloyd, 1996; & Powers & Xie, 1999; Simonoff, 2003; Agresti, 1990; Fienberg, 1980). The focus here is on the more basic techniques that might be used.
13.1 One-Way Contingency Tables
A one-way contingency table represents a situation where each participant can be classified into one of 
mutually exclusive categories. The probabilities associated with these 
categories are denoted by 
. The immediate goal is to test
the hypothesis that ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.