Univariate skew-elliptically contoured distributions

Objects can be created by a call to function `makeSECdistr`

when its argument `dp`

is a vector. They can also obtained from
an object generated by `selm`

using the function `extractSEDdistr`

.

`family`

:a character string which selects the parametric family; currently, possible values are:

`"SN"`,`"ESN"`,`"ST"`,`"SC"`.`dp`

:a numeric vector of parameters; its length depends on the selected

`family`

.`name`

:a character string with name of the distribution.

- show
`signature(object = "SECdistrUv")`

: ...- plot
`signature(x = "SECdistrUv")`

: ...- summary
`signature(object = "SECdistrUv")`

: ...- mean
`signature(x = "SECdistrUv")`

: ...- sd
`signature(object = "SECdistrUv")`

: ...

See `makeSECdistr`

for a detailed description of `family`

and `dp`

.

Unlike various other packages, methods `mean`

and `sd`

here are
not targeted to data or to a fitted model, but to a *probability
distribution* instead, of which they provide the mean value
and the standard deviation. If these methods are applied
to a distribution of which the mean or the variance do not exist,
a `NULL`

value is returned and a warning message is issued.

Adelchi Azzalini

`SECdistrMv`

,
`plot,SECdistrUv-method`

,
`summary,SECdistrUv-method`

,
`extractSECdistr`

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