Description Usage Arguments Details

Compute the opposite of the loglikelihood function for CUSH models with covariates to explain the shelter effect.

1 | ```
effecush(paravec, esternocush, shelter, m)
``` |

`paravec` |
Vector of the initial parameters estimates |

`esternocush` |
Matrix binding together the vector of ordinal data and the matrix XX of explanatory variables whose first column is a column of ones needed to consider an intercept term |

`shelter` |
Category corresponding to the shelter choice |

`m` |
Number of ordinal categories |

It is called as an argument for "optim" within CUSH function (when no covariate is included) as the function to minimize.

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