This function builds decision trees for discrete, right-censored survival data. The fitted tree estimates the hazard and survival probabilities for every terminal node, as well as the median survival time.

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`formula` |
a |

`status` |
integer/string representing the column
number/name of the 'status' variable in the data frame.
'status' must be a binary integer variable indicating whether the event
occured ( |

`data` |
data frame that contains all variables stated
in the |

`control` |
a list of options that control
the specification of the |

`weights` |
a vector of optional case weights. |

An object of class `DStree`

. For details see
`DStree.object`

.

Bou-Hamad I., Larocque D., Ben-Ameur H., Masse L. C., Vitaro
F. and Tremblay R. E. (2009), Discrete-Time Survival Trees.
*Canadian Journal of Statistics 37 (1), 17-32*.

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