SIRE 1.1.0 用户指南说明书

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Package‘SIRE’

October12,2022

TypePackage

TitleFindingFeedbackEffectsinSEMandTestingforTheir

Significance

Version1.1.0

MaintainerGianmarcoVacca<**************************>

DescriptionProvidestwomainfunctionalities.

1-Givenasystemofsimultaneousequation,

itdecomposesthematrixofcoefficientsweightingtheendogenousvariables

intothreesubmatrices:oneincludesthesubsetofcoefficientsthathaveacausalnature

inthemodel,twoincludethesubsetofcoefficientsthathaveainterdependentnature

inthemodel,eitheratsystematiclevelorinducedbythecorrelationbetweenerrorterms.

2-Givenadecomposedmodel,

ittestsforthesignificanceoftheinterdependentrelationshipsactinginthesystem,

viaMaximumlikelihoodandWaldtest,whichcanbebuiltstartingfromthefunctionoutput.

FortheoreticalreferenceseeFaliva(1992)and

FalivaandZoia(1994).

LicenseGPL-3

EncodingUTF-8

LazyDatatrue

DependsR(>=3.1.0)

Importssystemfit,psych,igraph,matrixcalc,MASS,numDeriv,Matrix,

stringr,Rsolnp,dplyr,magrittr

RoxygenNote6.0.1

NeedsCompilationno

AuthorGianmarcoVacca[aut,cre]

RepositoryCRAN

Date/Publication2019-04-1116:32:41UTC

Rtopicsdocumented:

causal_decompose.....................................2

12causal_decompose

dec_calc...........................................3

feedback_ml.........................................4

macroIT...........................................5

rho_calc...........................................6

Index7

causal_decomposeEstimationanddecompositionofsimultaneousequationmodel

Description

Estimateand/ordecomposeaSimultaneousEquationModelintoitsrecursiveandInterdependent

sub-systems

Usage

causal_decompose(data,eq.system,resid.est="noDfCor",instruments,

sigma.in=NULL)

Arguments

datathedataframecontainingthedata

eq.systemthesystemofequations(alistofformulaobjects,e.g.asinpkgsystemfit)

resid.esttheestimationmethodsfortheresidualcovariancematrix(asinsystemfit)

instrumentstheintrumentsusedtoestimatethemodelvia3-SLS(asinsystemfit)

sigma.intheΣmatrix,iftheuserwantstosimulateaparticularstructureatstochastic

level.Overrides3SLSestimationifspecified.

Value

Alistwithcomponents

•eq.system:thesystemofequationsgivenasinput

•Gamma:the3-SLSestimateofΓ󰀁

•C:thematrixhighlightingtheinterdependentmechanismsatdeterministiclevel.

•Psi1:thematrixhighlightingtheinterdependentmechanismsatstochasticlevel.

•Psi0:thematrixhighlightingthecausalmechanisms.

•A:the3-SLSestimateofA

•Sigma:the3-SLSestimateofSigma

•systemfit:theoutputfromthesystemfitfunctionusedtoestimatethemodel

•all.graph:thepathdiagramofthemodel,usingthepackageigraph

•dec.graph:thepathdiagramofthedecomposedmodel,withcolorcodingforeachvertex

•type.out:thetypeofanalysisperformed,either’simulation’or’empirical’dec_calc3

Examples

data("macroIT")eq.system=list(eq1=C~CP+I+CP_1,eq2=I~K+CP_1,eq3=WP~I+GDP+GDP_1,eq4=GDP~C+I+GDP_1,eq5=CP~WP+T,eq6=K~I+K_1)

instruments=~T+CP_1+GDP_1+K_1

causal_decompose(data=macroIT,eq.system=eq.system,resid.est="noDfCor",instruments=instruments,sigma.in=NULL)

dec_calcDecompositionstartingfromGammaandSigma

Description

FunctiontodecomposeΓ󰀁intorecursiveandinterdependentsub-matrices(internaluse)

Usage

dec_calc(Gamma,Sigma)

Arguments

GammatheΓ󰀁matrix.

SigmatheΣmatrix.

Value

Alistwithcomponents

•C:thematrixhighlightingtheinterdependentmechanismsatdeterministiclevel.

•Psi1:thematrixhighlightingtheinterdependentmechanismsatstochasticlevel.

•Psi0:thematrixhighlightingthecausalmechanisms.

•powers:alistcontainingthematrixpowersofΓ󰀁.4feedback_ml

feedback_mlTestingforFeedbackEffectsinaSimultaneousEquationModel

Description

TestingforFeedbackEffectsinaSimultaneousEquationModel

Usage

feedback_ml(data,out.decompose,eq.id,lb=-200,ub=200,

nrestarts=10,nsim=20000,seed.in=1)

Arguments

datathedataframecontainingthedata

out.decomposethedecompositionobjectresultingfromcausal_decompose()

eq.idtheequationtobetestedforfeedbackeffects

lblowerboundoftheparameterspacerequiredforgosolnp

ubupperboundoftheparameterspacerequiredforgosolnp

nrestartsnumberofsolverrestarts(asingosolnp)

nsimnumberofrandomparameterstogenerateforeveryrestartofthesolver(asin

gosolnp)

seed.inseednumberforgosolnproutine

Value

Alistwithcomponents

•rho.est:adataframewiththemaximumlikelihoodestimateofrhoandtheequationswith

whicheachelementisinvolvedinfeedback-likemechanisms

•loglik:thevalueofthelog-likelihoodofthemodel

•theta.hessian:thehessianmatrixfortheestimatedparameters

•rho.jacobian:theJacobianmatrixofρwithrespecttotheentiresetofparameters

•wald:theresultingWaldteststatistic

Examples

data("macroIT")eq.system=list(eq1=C~CP+I+CP_1,eq2=I~K+CP_1,eq3=WP~I+GDP+GDP_1,eq4=GDP~C+I+GDP_1,eq5=CP~WP+T,