[R] Fractional Polynomials (mfp) for Weibull Model

2009-06-18 Thread Lam, Kelvin
Dear R-users, I am trying to modify the mfp() function in the mfp package to model Weibull survival using fractional polynomials approach. However, I keep getting into trouble when mfp.fit and other "hidden" functions can't be found. I did find some of them in Splus but it's getting nowhere.

[R] Bivariate Survival Analysis

2007-12-14 Thread Lam, Kelvin
Hi group, Can someone kindly inform which package deals with Bivariate Survival Analysis. I did a search but nothing came up. Thanks! Regards, Kelvin ___ This email may contain confidential and/or privileged

[R] mtry in ctree_control()

2007-11-12 Thread Lam, Kelvin
Dear Group, What is the actual usage of "mtry" in ctree(), or specifically, ctree_control() since it's a single tree? Thanks in advance. Regards, Kelvin Lam, MSc. Analyst, Programming & Biostatistics Institute for Clinical Evaluative Sciences (ICES) 2075 Bayview Avenue, G179 Toronto