Several possible definitions of residuals are given for relative risk regression with time-varying covariates. Each such residual has a representation as an estimator of a stochastic integral with ...

Microsoft Excel, a spreadsheet and data analysis program, is available as a stand-alone program or as a component of the Microsoft Office productivity suite. Excel 2007 included a number of new ...

The identification of individuals who `died far too early' or `lived far too long' as compared to their survival probabilities from a Cox regression can lead to the detection of new prognostic factors ...