Simplicial Generalized Beta Regression

---

Documentation for package ‘SGB’ version 1.0.1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.

Help Pages

SGB-package	Package SGB
arc	arc dataset
B2i	Balances to isometric log-ratio
bval	Computation of scales and z-vectors
carseg	carseg dataset
coefmat	Tabulation of overall SGB regression results with AIC and matrix view of regression coefficients
compushape2	Initial parameters estimates and comparison
condshape2	Initial parameters estimates and comparison
covest.SGB	Classical and robust asymptotic covariance matrix
cvm.SGB	Goodness of fit tests on the marginal distributions of each part in a SGB model
dggamma	Generalized Gamma distribution
dSGB	Density and random generator for the SGB distribution
EqualityConstr	Equality constraints for overall shape and/or regression parameters and jacobian
EZ.SGB	Expectations of Z under the SGB distribution
fn.SGB	SGB log-likelihood and gradient
GenGammaDistrib	Generalized Gamma distribution
GoodnessFit	Goodness of fit tests on the marginal distributions of each part in a SGB model
gr.SGB	SGB log-likelihood and gradient
heqa.SGB	Equality constraints for overall shape and/or regression parameters and jacobian
heqa.SGB.jac	Equality constraints for overall shape and/or regression parameters and jacobian
heqab.SGB	Equality constraints for overall shape and/or regression parameters and jacobian
heqab.SGB.jac	Equality constraints for overall shape and/or regression parameters and jacobian
heqb.SGB	Equality constraints for overall shape and/or regression parameters and jacobian
heqb.SGB.jac	Equality constraints for overall shape and/or regression parameters and jacobian
hin.SGB	Inequality constraints and jacobian
hin.SGB.jac	Inequality constraints and jacobian
hzbeta	Histograms, quantile and probability plots for the z(u)-transforms of parts
Imputation	Imputation of missing parts in compositions from a SGB model
impute.regSGB	Imputation of missing parts in compositions from a SGB model
InequalityConstr	Inequality constraints and jacobian
InitialParameters	Initial parameters estimates and comparison
initpar.SGB	Initial parameters estimates and comparison
ks.SGB	Goodness of fit tests on the marginal distributions of each part in a SGB model
MarginPlots	Histograms, quantile and probability plots for the z(u)-transforms of parts
MeanA.SGB	Aitchison expectation and mode under the SGB distribution
MeanAobj.SGB	Aitchison expectation and mode under the SGB distribution
ModeA.SGB	Aitchison expectation and mode under the SGB distribution
ModeAobj.SGB	Aitchison expectation and mode under the SGB distribution
ocar	ocar data set
oilr	oilr data set
print.regSGB	Regression for compositions following a SGB distribution
print.testSGB	Goodness of fit tests on the marginal distributions of each part in a SGB model
pzbeta	Histograms, quantile and probability plots for the z(u)-transforms of parts
qzbeta	Histograms, quantile and probability plots for the z(u)-transforms of parts
regSGB	Regression for compositions following a SGB distribution
regSGB.default	Regression for compositions following a SGB distribution
regSGB.formula	Regression for compositions following a SGB distribution
rggamma	Generalized Gamma distribution
rSGB	Density and random generator for the SGB distribution
SGB	Package SGB
SGBdistrib	Density and random generator for the SGB distribution
SGBLik	SGB log-likelihood and gradient
SGButil	Computation of scales and z-vectors
stepSGB	Stepwise backward elimination for SGB regression
stepSGB.default	Stepwise backward elimination for SGB regression
summary.regSGB	Regression for compositions following a SGB distribution
summaryA.SGB	Aitchison expectation and mode under the SGB distribution
table.regSGB	Tabulation of overall SGB regression results with AIC and matrix view of regression coefficients
Tabulation	Tabulation of overall SGB regression results with AIC and matrix view of regression coefficients
zval	Computation of scales and z-vectors