This example illustrates how to compute and display control limits for the maximum of a subgroup sample. Subgroup samples of 20 metal braces are collected daily, and the lengths of the braces are ...

Copyright: © 2005 Elsevier Ltd. Published by Elsevier Ltd. Large pragmatic trials provide the most reliable data about the effects of treatments, but should be ...

Objective To investigate the credibility of authors’ claims of subgroup effects using a representative sample of recently published randomised controlled trials. Design Systematic review. Data source ...

2 Center for Clinical Epidemiology and Evidence-Based Medicine, West China Hospital, Sichuan University, Chengdu, China 3 Basel Institute for Clinical Epidemiology and Biostatistics, University ...

Performs propensity score weighting for causal subgroup analysis of observational studies and randomized trials. Enables the estimation and inference of subgroup average causal effects with binary ...

The following data set (WIRE) contains breaking strength measurements recorded in pounds per inch for 25 samples from a metal wire manufacturing process. The subgroup sample sizes vary between 3 and 7 ...

Genetic and other host characteristics that have the potential to influence susceptibility to disease occurrence may exert that influence only in the presence of one or more environmental (or other ...