Survival Analysis, Python, Aft, Cox Ph, Machine Learning.
True) data["wt.loss"].fillna(data["wt.loss"].mean(), inplace = True) data.dropna(inplace=True) data["ph.ecog"] = data["ph.ecog"].astype("int64") If you check the variables again, then you can see the variables now have no missing values. So, our data is now ready for initial analysis.