Survival Analysis, Python, Aft, Cox Ph, Machine Learning.
removed the NA value of ph.ecog (a categorical column) using .dropna( ) method and converted it to int64. data["ph.karno"].fillna(data["ph.karno"].mean(), inplace = True) data["pat.karno"].fillna(data["pat.karno"].mean(), inplace = True) data["meal.cal"].fillna(data["meal.cal"].mean(), inplace =