Set of tools to fit a semiparametric regression model suitable for analysis of data sets in which the response variable is continuous, strictly positive, asymmetric and possibly, censored. Under this setup, both the median and the skewness of the response variable distribution are explicitly modeled by using semiparametric functions, whose nonparametric components may be approximated by natural cubic splines or Psplines. Supported distributions for the model error include lognormal, logStudentt, logpowerexponential, loghyperbolic, logcontaminatednormal, logslash, BirnbaumSaunders and BirnbaumSaunderst distributions.
Package details 


Author  Luis Hernando Vanegas <[email protected]> and Gilberto A. Paula 
Date of publication  20161016 09:44:42 
Maintainer  Luis Hernando Vanegas <[email protected]> 
License  GPL2  GPL3 
Version  1.5.7 
Package repository  View on CRAN 
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