Learn R Programming

extRemes (version 2.2)

is.fixedfevd: Stationary Fitted Model Check

Description

Test if a fitted fevd object is stationary or not.

Usage

is.fixedfevd(x)

check.constant(x)

Value

logical of length one stating whether the fitted model is stationary (TRUE) or not (FALSE).

Arguments

x

A list object of class “fevd” as returned by fevd.

For check.constant, this may be a formula or vector.

Author

Eric Gilleland

Details

This function is mostly intended as an internal function, but it may be useful generally.

check.constant determines if a formula is given simply by ~ 1. It is used by is.fixedfevd.

See Also

fevd

Examples

Run this code
z <- revd(100, loc=20, scale=0.5, shape=-0.2)
fit <- fevd(z)
fit

is.fixedfevd(fit)

Run the code above in your browser using DataLab