Visualizing a Cox model
In this exercise we will reproduce the example from the video following the steps:
- Compute Cox model
- Decide on "imaginary patients"
- Compute survival curves
- Create
data.frame
with survival curve information - Plot
We will focus now on the last two steps in this exercise.
The survival
and survminer
packages and the GBSG2
data are loaded for you in this exercise.
The Cox model cxmod
, the imaginary patient data newdat
, and the survival curve information cxsf
from the previous exercise are also available.
This exercise is part of the course
Survival Analysis in R
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Compute data.frame needed for plotting
surv_cxmod0 <- ___(cxsf)
# Look at the first few lines
___(surv_cxmod0)