objfun.pmodel_identity: Objective function of personalised models

In model4you: Stratified and Personalised Models Based on Model-Based Trees and Forests

Objective function of personalised models

Description

Get the contributions of an objective function (e.g. likelihood contributions) and the sum thereof (e.g. log-Likelihood).

Usage

## S3 method for class 'pmodel_identity'
objfun(x, ...)

## S3 method for class 'pmodel_identity'
logLik(object, add_df = 0, ...)

Arguments

x, object	object of class pmodel_identity (obtained by pmodel(..., fun = identity)).
...	additional parameters passed on to objfun.
add_df	it is not very clear what the degrees of freedom are in personalised models. With this argument you can add/substract degrees of freedom at your convenience. Default is 0 which means adding up the degrees of freedom of all individual models. For examples see pmodel.

model4you documentation built on April 3, 2025, 5:41 p.m.