ssym (version 1.5.1)

ssym-package: Fitting Semiparametric Symmetric Regression Models

Description

This package allows to fit a semiparametric regression model suitable for data set analysis in which the conditional distribution of the response is symmetric and continuous.

Details

ll{ Package: ssym Type: Package Version: 1.0 Date: 2014-03-30 License: GPL-2 | GPL-3 }

References

Vanegas, L.H. and Paula, G.A. (2014) A Semiparametric Approach for Joint Modeling of Median and Skewness. TEST (submitted) Vanegas, L.H. and Paula, G.A. (2014) Log-symmetric distributions: statistical properties and parameter estimation. Brazilian Journal of Probability and Statistics (submitted)

Examples

data("Snacks", package="ssym")                                    
fit <- ssym.l(log(texture) ~ type + ncs(week) | type, data=Snacks,
               family='Student', xi=15)     
summary(fit)