Set of tools to fit a semi-parametric 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 semi-parametric functions, whose non-parametric components may be approximated by natural cubic splines or P-splines. Supported distributions for the model error include log-normal, log-Student-t, log-power-exponential, log-hyperbolic, log-contaminated-normal, log-slash, Birnbaum-Saunders and Birnbaum-Saunders-t distributions.

Fitting Semi-Parametric log-Symmetric Regression Models

package-ubuntu-20.04-r-4.0.5#cran#ssym-1.5.7

<p><b>itpE2</b> runs the E-step of the iterative process to fit models whose error distribution can be obtained as a shape mixture of the Birnbaum-Saunders distribution.</p>

package-ubuntu-20.04-r-4.0.5#cran#ssym-1.5.7#docs#itpE2

itpE2

Description

ssym

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