Survival Analysis of Time Varying Coefficients Using a Tree-Based Approach

alcohol | Alcohol Consumption Data |

bootstrap | Bootstrap to Correct for Over-optimism due to Adaptive... |

coxph.tree | Function to Grow the Tree Using the Score Statistic |

elbow.tree | Finding the Final Tree using the Elbow Method |

final.tree | Finding the Final Tree After Bootstrap |

mat.tvbeta | Beta coefficient estimate at each time point |

optimal.cutpoint | Function to Find the First Cutpoint and its P Value |

output.coxphout | Summary of coxph.tree output |

plot_coxphtree | Plotting of Full Tree and Subtrees |

prune | Function to Prune Using the Score Statistic |

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