Hi Anthony,
I stumbled with the same issue for a package I submitted recently, the
problem seems to be that LaTex doesn't know how to map this unicode
character to a typesetting.
My unicode character was \u2229 and I tried several ways to avoid this warning.
On the vignette built with knitr I dec
My CRAN package eha depends on the survival package, and that creates
problems with innocent users: It is about the 'frailty' function
(mainly). While (after 'library(eha)')
f1 <- coxph(Surv(time, status) ~ age + frailty(inst), data = lung)
produces what you would expect (a frailty survival an
