elicitNGa {nclbayes}R Documentation

Elicitation of normal-gamma prior distribution by using quantiles for mu and tau

Description

Elicitation of normal-gamma prior distribution by using quantiles for mu and tau

Usage

elicitNGa(mup1 = 0.025, muquantile1, mup2 = 0.975, muquantile2,
  taup1 = 0.025, tauquantile1, taup2 = 0.975, tauquantile2)

Arguments

mup1

probability.

muquantile1

lower mup1-th quantile for mu.

mup2

probability.

muquantile2

lower mup2-th quantile for mu.

taup1

probability.

tauquantile1

lower taup1-th quantile for tau.

taup2

probability.

tauquantile2

lower taup2-th quantile for tau.

Value

Vector containing the parameters of the normal-gamma distribution.

Examples

b=20;c=10;g=0.15;h=6 # 5% and 95% quantiles are#'
muq1=qgt(0.05,2*g,b,h/(g*c));muq2=qgt(0.95,2*g,b,h/(g*c))
tauq1=qgamma(0.05,g,h);tauq2=qgamma(0.95,g,h)
#The following function determines the original values of b, c, g and h
elicitNGa(0.05,muq1,0.95,muq2,0.05,tauq1,0.95,tauq2)
elicitNGa(muquantile1=-1,muquantile2=1,tauquantile1=0.1,tauquantile2=1.1)

[Package nclbayes version 0.3.10 Index]