startParams | R Documentation |

Change starting parameters, either by residual method or by user input (start)

```
startParams(
parameters,
formula,
ziformula,
dispformula,
fr,
yobs,
weights,
size = NULL,
Xd = NULL,
XdS = NULL,
family,
condReStruc,
start = NULL,
sparseX = NULL,
start_method = list(method = NULL, jitter.sd = 0)
)
```

`formula` |
current formula, containing both fixed & random effects |

`ziformula` |
a |

`dispformula` |
a |

`fr` |
model frame |

`yobs` |
observed y |

`weights` |
model weights (for binomial-type models, used as size/number of trials) |

`size` |
number of trials in binomial and betabinomial families |

`family` |
family object |

`start` |
starting values, expressed as a list with possible components |

`sparseX` |
see |

`start_method` |
Options to initialise the starting values for rr parameters; jitter.sd adds variation to the starting values of latent variables when start = "res". |

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