2023-08-30

This post will briefly share the derivation, estimation, assumption and application of the *Cox proportional hazards (PH) model*. In addition, it will also mention using ANOVA to test two nested models.

2023-07-27

This post is to share the two common non-parametric tests of comparing the survival functions: **Log-Rank Test** & **Generalized Wilcoxon Test**, as well as their corresponding calculations in the detailed process.

2023-07-21

Concepts of survival function estimations and corresponding calculations both manually and in R.

2023-05-28

This post covers their concepts and relationship among the three pillows of survival analysis: survivor function, density function, hazard function.