Modelling a large, sparse spatial interaction matrix using data relating to a subset of possible flows

A graphical method to assess treatment–c

A graphical method to assess treatment–covariate interactions using the Cox model on subsets of the data

✍ Marco Bonetti; Richard D. Gelber 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 155 KB 👁 2 views

We introduce the subpopulation treatment e ect pattern plot (STEPP) method, designed to facilitate the interpretation of estimates of treatment e ect derived from di erent but potentially overlapping subsets of clinical trial data. In particular, we consider sequences of subpopulations deÿned with r