February 2007
Beginner to intermediate
464 pages
16h
English
book
Pharmaceutical Statistics Using SAS
by Ph. D. Alex Dmitrienko, Ph. D. Christy Chuang-Stein, Sr. Ralph B. D'Agostino
Content preview from Pharmaceutical Statistics Using SAS
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6.4. Power Determination in a Purely Nonparametric Sense
The title of this section must seem a bit of an enigma. What does the expression "in a purely nonparametric sense" really mean? Let's begin by reviewing some basic concepts in experimental design and power in the familiar parametric sense. We will then demonstrate a nonparametric approach to the same setting. Lastly, we will compare and contrast the two approaches to highlight important features.
Consider the design of a simple two-group experiment. Subjects or samples are randomized to one of two groups and receive a treatment. After treatment, a measurement is collected and the investigators wish to see if evidence exists to declare the responses of the two groups to be "different". ...
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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.