prior_hurdle | R Documentation |

This function modifies default hyper prior parameter values in the type of hurdle model selected according to the type of structural value mechanism and distributions for the outcomes assumed.

```
prior_hurdle(
type,
dist_e,
dist_c,
pe_fixed,
pc_fixed,
ze_fixed,
zc_fixed,
model_e_random,
model_c_random,
model_se_random,
model_sc_random,
pe_random,
pc_random,
ze_random,
zc_random,
se,
sc
)
```

`type` |
Type of structural value mechanism assumed. Choices are Structural Completely At Random (SCAR), and Structural At Random (SAR). For a complete list of all available hyper parameters and types of models see the manual. |

`dist_e` |
distribution assumed for the effects. Current available chocies are: Normal ('norm'), Beta ('beta'), Gamma ('gamma'), Exponential ('exp'), Weibull ('weibull'), Logistic ('logis'), Poisson ('pois'), Negative Binomial ('nbinom') or Bernoulli ('bern') |

`dist_c` |
distribution assumed for the costs. Current available chocies are: Normal ('norm'), Gamma ('gamma') or LogNormal ('lnorm') |

`pe_fixed` |
Number of fixed effects for the effectiveness model |

`pc_fixed` |
Number of fixed effects for the cost model |

`ze_fixed` |
Number of fixed effects or the structural indicators model for the effectiveness |

`zc_fixed` |
Number of fixed effects or the structural indicators model for the costs |

`model_e_random` |
Random effects formula for the effectiveness model |

`model_c_random` |
Random effects formula for the costs model |

`model_se_random` |
Random effects formula for the structural indicators model for the effectiveness |

`model_sc_random` |
Random effects formula for the structural indicators model for the costs |

`pe_random` |
Number of random effects for the effectiveness model |

`pc_random` |
Number of random effects for the cost model |

`ze_random` |
Number of random effects or the structural indicators model for the effectiveness |

`zc_random` |
Number of random effects or the structural indicators model for the costs |

`se` |
Structural value for the effectiveness |

`sc` |
Structural value for the costs |

```
#Internal function only
#no examples
#
#
```

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