February 2005
Intermediate to advanced
430 pages
15h 6m
English
book
Analysis of Clinical Trials Using SAS
by Alex Dmitrienko, Geert Molenberghs, Christy Chuang-Stein, Walter W. Offen
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Analysis of Stratified Data 1
1.5 Tests for Qualitative Interactions
This chapter discusses the analysis of clinical outcomes in the presence of influential covariates such as investigational center or patient demographics. The following analysis methods are reviewed:
• Stratified analyses of continuous endpoints using parametric methods based on fixed and random effects models as well as nonparametric methods.
• Simple randomization-based methods as well as more advanced exact and model-based methods for analyzing stratified categorical outcomes.
• Analysis of stratified time-to-event data using randomization-based tests and the Cox proportional ...
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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.