Likelihood Ratio statistic for Gumbel vs. GEV

Description

Likelihood Ratio statistic for the Gumbel distribution vs. GEV.

Usage

1
   LRGumbel(x, alternative = c("frechet", "GEV"))

Arguments

x

Numeric vector of sample values.

alternative

Character string describing the alternative.

Details

The Likelihood-Ratio statistic is actually -2 log LR where LR is the ratio of the likelihoods Gumbel to alternative distribution.

Value

The LR statistic value.

Note

When the alternative is "frechet", the statistic has a distribution of mixed type under the null hypothesis of a Gumbel distribution.

Author(s)

Yves Deville

See Also

LRGumbel.test for the related LR test of Gumbelity.

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