I was trying to use the brm() function from brms() package to fit a survival regression model.
However, even when I use the example given in vignette
fit3 <- brm(time | cens(censored) ~ age * sex + disease + (1|patient),
data = kidney, family = lognormal())
The program gives an error
Error in FUN(X[[i]], …) : could not find function "isFALSE"
Could anyone tell me how to deal with it? Or it is a bug of a package?
Thanks in advance!