Survival_Stats is a function for building cox model using all the features and each feature as a separate model
Survival_Stats(ScoreMat, TimeVec, EventVec)
Matrix of feature values used for survival predition
Vectore of time to death of samples (patients)
Vector of events for the samples (patients) as being dead or censored
A list containing summary of a cox model using all of the features and separate cox models for each feature