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ssym

Fitting Semi-Parametric log-Symmetric Regression Models

v1.5.8 · Apr 21, 2023 · GPL-2 | GPL-3

Description

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.

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Maintainer: ‘Luis Hernando Vanegas <hvanegasp@gmail.com>’

No Authors@R field in DESCRIPTION.
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  Authors@R: c(person(given = c("Luis", "Hernando"),
                      family = "Vanegas",
                      role = c("aut", "cre"),
                      email = "hvanegasp@gmail.com"),
               person(given = c("Gilberto", "A."),
                      family = "Paula",
                      role = "aut"))
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CRAN incoming feasibility

Maintainer: ‘Luis Hernando Vanegas <hvanegasp@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = c("Luis", "Hernando"),
                      family = "Vanegas",
                      role = c("aut", "cre"),
                      email = "hvanegasp@gmail.com"),
               person(given = c("Gilberto", "A."),
                      family = "Paula",
                      role = "aut"))
as necessary.
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Check History

NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 9, 2026
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Luis Hernando Vanegas <hvanegasp@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = c("Luis", "Hernando"),
                      family = "Vanegas",
                      role = c("aut", "cre"),
                      email = "hvanegasp@gmail.com"),
               person(given = c("Gilberto", "A."),
                      family = "Paula",
                      role = "aut"))
as necessary.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Luis Hernando Vanegas <hvanegasp@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = c("Luis", "Hernando"),
                      family = "Vanegas",
                      role = c("aut", "cre"),
                      email = "hvanegasp@gmail.com"),
               person(given = c("Gilberto", "A."),
                      family = "Paula",
                      role = "aut"))
as necessary.

Reverse Dependencies (2)

Dependency Network

Dependencies Reverse dependencies GIGrvg numDeriv normalp Formula survival sandwich PartCensReg SLRMss ssym

Version History

new 1.5.8 Mar 9, 2026