Survival Analysis, Python, Aft, Cox Ph, Machine Learning.
ph.ecog label count Thus, we need to remove this observation from the data. We can achieve this using a filtering process as shown below. Now, the dataset contains 226 observations and 9 variables. data = data[data["ph.ecog"] != 3] data.shape (226, 9) Let’s check the value count to reconfirm it.