Semi Parametric Distribution

The Semi Parametric Piecewise Distribution blends the Generalized Pareto Distribution for the tails with a kernel based interior.


The Semi-Parametric Distribution is a piecewise distribution constructed by parametrically modelling the tails of the distribution using an appropriate distribution (the generalized pareto is used here) and the interior by kernel methods. The package implements fit, distribution, density, quantile and random number generation. It is actively used in both the rugarch and rmgarch packages.

The stable version is on CRAN.

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Reference manual

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install.packages("spd")

2.0-1 by Alexios Ghalanos, 5 years ago


http://www.unstarched.net, https://bitbucket.org/alexiosg


Browse source code at https://github.com/cran/spd


Authors: Alexios Ghalanos <[email protected]>


Documentation:   PDF Manual  


Task views: Probability Distributions


GPL license


Imports KernSmooth, stats, graphics, utils

Depends on methods


Imported by rmgarch, rugarch.


See at CRAN