This package contains functions for survival analysis.

Function | Description |
---|---|

Surv | Creates a survival object, usually used as a response variable in a model formula. |

aareg | Returns an object of class `"aareg"` that represents an Aalen
model. |

attrassign | The `"assign"` attribute
on model matrices describes which columns come from which terms
in the model formula. |

basehaz | Computes the baseline survival curve for a Cox model. |

cch | Returns estimates and standard errors from relative risk regression fit to data from case-cohort studies, cohort data, and Borgan II, a generalization of the Lin-Ying estimator. |

clogit | Estimates a logistic regression model by maximizing the conditional likelihood. |

cluster | A special function used in the context of survival models. It identifies correlated groups of observations and is used on the right-hand side of a formula. |

cox.zph | Tests the proportional hazards assumption for a Cox
regression model fit (`coxph` ). |

coxph | Fits a Cox proportional hazards regression model. |

coxph.control | Used to set various numeric parameters controlling a Cox
model fit. Typically, it would be used only in a call to
`coxph` . |

coxph.detail | Returns the individual contributions to the first and second derivative matrix at each unique event time. |

coxph.fit | Internal survival function. |

dsurvreg | Density, cumulative probability, and quantiles for the
set of distributions supported by the `survreg` function. |

format.Surv | Creates a survival object, usually used as a response variable in a model formula. |

frailty | Adds ... |

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