Abstract
Prediction trees for the analysis of survival data are discussed. It is shown that trees are useful not only in summarizing the prognostic information contained in a set of covariates (prognostic classification), but also in detecting and displaying treatment-covariates interactions (subgroup analysis). The RECPAM approach to tree-growing is outlined; prognostic classification and subgroup analysis are then formulated within the RECPAM framework and on the basis of the Cox proportional hazards models with a priori strata. Two examples of data analysis are presented. The issue of cross-validation is discussed in relation to computationally cheaper model selection criteria.
Original language | English (US) |
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Pages (from-to) | 675-689 |
Number of pages | 15 |
Journal | Journal of Clinical Epidemiology |
Volume | 48 |
Issue number | 5 |
DOIs | |
State | Published - May 1995 |
Externally published | Yes |
Keywords
- Censored survival data
- Prognostic classification
- RECPAM
- Regression trees
- Subgroup analysis
ASJC Scopus subject areas
- Epidemiology