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CompositionalSR (version 1.1)

Spatial Regression Models with Compositional Data

Description

Spatial regression models with compositional responses using the alpha--transformation. Relevant papers include: Tsagris M. (2025), , Tsagris M. (2015), , Tsagris M.T., Preston S. and Wood A.T.A. (2011), .

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Version

Install

install.packages('CompositionalSR')

Monthly Downloads

201

Version

1.1

License

GPL (>= 2)

Maintainer

Michail Tsagris

Last Published

February 25th, 2026

Functions in CompositionalSR (1.1)

Spatial k-folds

Spatial k-folds
Robust regression with compositional data using the alpha-transformation

Regression with compositional data using the \(\alpha\)-transformation
The gradient vector of the alpha-SAR model at each observation

The gradient vector of the \(\alpha\)-SAR model at each observation
K-fold cross-validtion for the alpha-regression

K-fold cross-validtion the \(\alpha\)-regression
The alpha-SLX model

The \(\alpha\)-SLX model
The gradient vector of the alpha-regression model at each observation

The gradient vector of the \(\alpha\)-regression model at each observation
The alpha-SAR model

The \(\alpha\)-SAR model
Regression with compositional data using the alpha-transformation

Regression with compositional data using the \(\alpha\)-transformation
CompositionalSR-package

Spatial Regression Models with Compositional Data
Computation of the contiguity matrix W

Computation of the contiguity matrix W
The alpha-regression using Newton-Raphson

The \(alpha\)-regression using Newton-Raphson
fadn

FADN dataset
The gradient vector of the alpha-SLX model at each observation

The gradient vector of the \(\alpha\)-SLX model at each observation
Spatial K-fold cross-validation for the alpha-SAR model

Spatial K-fold cross-validation for the \(\alpha\)-SAR model
Leave-one-out cross-validation for the GWalphaR model

Leave-one-out cross-validation for the GW\(\alpha\)R model
Spatial K-fold cross-validation for the alpha-SLX model

Spatial K-fold cross-validation for the \(\alpha\)-SLX model
Prediction with the GWalphaR model

Prediction with the GW\(\alpha\)R model
Marginal effects for the GWalphaR model

Marginal effects for the GW\(\alpha\)R model
The GWaR model

The GW\(\alpha\)R model
Marginal effects for the alpha-SAR model

Marginal effects for the \(\alpha\)-SAR model
Marginal effects for the alpha-SLX model

Marginal effects for the \(\alpha\)-SLX model
Marginal effects for the alpha-regression model

Marginal effects for the \(\alpha\)-regression model