Description Usage Arguments Value Details Background References See Also Examples

Density function, distribution function, quantiles and random number generation for the skew-Cauchy (SC) distribution.

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`x` |
vector of quantiles. Missing values ( |

`p` |
vector of probabilities. Missing values ( |

`xi` |
vector of location parameters. |

`omega` |
vector of (positive) scale parameters. |

`alpha` |
vector of slant parameters. |

`dp` |
a vector of length 3 whose elements represent the parameters
described above. If |

`n` |
sample size. |

`log` |
logical flag used in |

density (`dsc`

), probability (`psc`

), quantile (`qsc`

)
or random sample (`rsc`

) from the skew-Cauchy distribution with given
`xi`

, `omega`

and `alpha`

parameters or from the extended
skew-normal if `tau!=0`

Typical usages are

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The skew-Cauchy distribution can be thought as a skew-*t* with tail-weight
parameter `nu=1`

. In this case, closed-form expressions of the
distribution function and the quantile function have been obtained by
Behboodian *et al.* (2006).
The key facts are summarized in Complement 4.2 of Azzalini and Capitanio (2014).
A multivariate version of the distribution exists.

Azzalini, A. with the collaboration of Capitanio, A. (2014).
*The Skew-normal and Related Families*.
Cambridge University Press, IMS Monographs series.

Behboodian, J., Jamalizadeh, A., and Balakrishnan, N. (2006).
A new class of skew-Cauchy distributions.
*Statist. Probab. Lett.* **76**, 1488–1493.

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