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LogisticCopula

A Copula Based Extension of Logistic Regression

An implementation of a method of extending a logistic regression model beyond linear effects of the co-variates. The extension in is constructed by first equating the logistic regression model to a naive Bayes model where all the margins are specified to follow natural exponential distributions conditional on Y, that is, a model for Y given X that is specified through the distribution of X given Y, where the columns of X are assumed to be mutually independent conditional on Y. Subsequently, the model is expanded by adding vine - copulas to relax the assumption of mutual independence, where pair-copulas are added in a stage-wise, forward selection manner. Some heuristics are employed during the process of selecting edges, as well as the families of pair-copula models. After each component is added, the parameters are updated by a (smaller) number of gradient steps to maximise the likelihood. When the algorithm has stopped adding edges, based the criterion that a new edge should improve the likelihood more than k times the number new parameters, the parameters are updated with a larger number of gradient steps, or until convergence.

Versions across snapshots

VersionRepositoryFileSize
0.1.0 rolling linux/jammy R-4.5 LogisticCopula_0.1.0.tar.gz 160.7 KiB
0.1.0 rolling linux/noble R-4.5 LogisticCopula_0.1.0.tar.gz 160.7 KiB
0.1.0 rolling source/ R- LogisticCopula_0.1.0.tar.gz 63.3 KiB
0.1.0 latest linux/jammy R-4.5 LogisticCopula_0.1.0.tar.gz 160.7 KiB
0.1.0 latest linux/noble R-4.5 LogisticCopula_0.1.0.tar.gz 160.7 KiB
0.1.0 latest source/ R- LogisticCopula_0.1.0.tar.gz 63.3 KiB
0.1.0 2026-04-26 source/ R- LogisticCopula_0.1.0.tar.gz 63.3 KiB
0.1.0 2026-04-23 source/ R- LogisticCopula_0.1.0.tar.gz 63.3 KiB
0.1.0 2026-04-09 windows/windows R-4.5 LogisticCopula_0.1.0.zip 164.1 KiB
0.1.0 2025-04-20 source/ R- LogisticCopula_0.1.0.tar.gz 63.3 KiB

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