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gnm

Functions to specify and fit generalized nonlinear models, including models with multiplicative interaction terms such as the UNIDIFF model from sociology and the AMMI model from crop science, and many others. Over-parameterized representations of models are used throughout; functions are provided for inference on estimable parameter combinations, as well as standard methods for diagnostics etc.

Installation

You can install gnm from GitHub with:

# install.packages("devtools")
devtools::install_github("hturner/gnm")

Code of conduct

Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.

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Version

Install

install.packages('gnm')

Monthly Downloads

6,966

Version

1.1-5

License

GPL-2 | GPL-3

Issues

Pull Requests

Stars

Forks

Repository

https://github.com/hturner/gnm

Maintainer

Last Published

September 16th, 2023

Functions in gnm (1.1-5)

Specify the Exponential of a Predictor in a gnm Model Formula

Multiplicative interaction

Specify a Product of Predictors in a gnm Model Formula

Symmetric Interaction of Factors

Moore-Penrose Pseudoinverse of a Real-valued Matrix

Specify a Diagonal Reference Term in a gnm Model Formula

Specify a Multiplicative Interaction with Homogeneous Effects in a gnm Model Formula

Analysis of Deviance for Generalized Nonlinear Models

Heights of Barley Plants

Data on Back Pain Prognosis, from Anderson (1984)

Coerce Linear Model to gnm Object

Jenkyn's Data on Leaf-blotch on Barley

Intergenerational Class Mobility in England/Wales, France and Sweden

Topological Interaction of Factors

Data on Class, Religion and Vote in France

Compute Confidence Intervals of Parameters in a Generalized Nonlinear Model

Check Whether One or More Parameter Combinations in a gnm Model are Identified

Defunct Functions in gnm Package

Data on Mental Health and Socioeconomic Status

Specify Multiple Instances of a Nonlinear Term in a gnm Model Formula

Fitting Generalized Nonlinear Models

Average Residuals within Factor Levels

Generalized Nonlinear Models

expandCategorical

Expand Data Frame by Re-expressing Categorical Data as Counts

Print Exit Information for gnm Fit

Estimated Contrasts and Standard Errors for Parameters in a gnm Model

Occupation of Respondents and Their Closest Friend

Coefficients of Interest in a Generalized Nonlinear Model

Extract Constrained and Estimated Parameters from a gnm Object

Extract Standard Errors

Get Indices or Values of Selected Model Coefficients

model.matrix.gnm

Local Design Matrix for a Generalized Nonlinear Model

Predict Method for Generalized Nonlinear Models

Plot Diagnostics for a gnm Object

Multiplicative Approximation of Model Residuals

nonlin.function

Functions to Specify Nonlinear Terms in gnm Models

Profile Deviance for Parameters in a Generalized Nonlinear Model

Wedderburn Quasi-likelihood Family

Data on Social Mobility and the Labour Vote

Extract Term Contributions to Predictor

Variance-covariance Matrix for Parameters in a Generalized Nonlinear Model

Standard Errors of Linear Parameter Combinations in gnm Models

Wheat Yields from Mexican Field Trials

Summarize Generalized Nonlinear Model Fits

Class Mobility by Level of Education in Israel

Specify the Reciprocal of a Predictor in a gnm Model Formula

Data on twenty roll calls in the US House of Representatives, 2001

Equality of Two or More Factors

Specify a Constant in a "nonlin" Function Predictor