> ggcoxdiagnostics(res.cox)
Warning: `gather_()` was deprecated in tidyr 1.2.0.
ℹ Please use `gather()` instead.
ℹ The deprecated feature was likely used in the survminer package.
Please report the issue at <https://github.com/kassambara/survminer/issues>.
This warning is displayed once every 8 hours.
Call `lifecycle::last_lifecycle_warnings()` to see where this warning was generated.
`geom_smooth()` using formula = 'y ~ x'
Warning: Failed to fit group -1.
Caused by error in `predLoess()`: