Description Usage Arguments Note Author(s) References

View source: R/LoglikWeibullSurvRegCens.R

Computes the log-likelihood function of a Weibull Survival Regression Model allowing for an interval-censored covariate.

1 2 3 | ```
LoglikWeibullSurvRegCens(x, data_y, data_delta_loglik, data_cov_noncens = NULL,
data_cov_cens, density, data_r_loglik, data_lowerbound,
intlimit = 10^-10)
``` |

`x` |
Vector of parameters, ordered as follows: Scale parameter, Shape parameter, regression parameters (i.e. |

`data_y` |
Time-to-event vector. |

`data_delta_loglik` |
Censored indicator vector of the time-to-event (0: censored, 1: not censored). |

`data_cov_noncens` |
Matrix where each column represents a non-censored covariate. |

`data_cov_cens` |
Censored covariate vector. |

`density` |
Density function of the censored covariate. |

`data_r_loglik` |
Censored indicator vector of the censored covariate (0: censored, 1: not censored). |

`data_lowerbound` |
A vector which corresponds to the lower bounds for the interval-censored observations of the censored covariate. If no lower bound is available then put |

`intlimit` |
In computation of integrals, values of the function to be integrated below |

Function not intended to be invoked by the user.

Stanislas Hubeaux, [email protected]

Kaspar Rufibach, [email protected]

http://www.kasparrufibach.ch

Hubeaux, S. (2013). Parametric Surival Regression Model with left- and/or interval-censored covariate. Technical report, Biostatistics Oncology, F. Hoffmann-La Roche Ltd.

Sattar, A., Sinha, S. K. and Morris, N. J. (2012).
A Parametric Survival Model When a Covariate is Subject to Left-Censoring.
*Biometrics & Biostatistics*, **S3**(2).

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