# NOT RUN {
data(Hauser79)
str(Hauser79)
# display table
structable(~Father+Son, data=Hauser79)
#Examples from Powers & Xie, Table 4.15
# independence model
mosaic(Freq ~ Father + Son, data=Hauser79, shade=TRUE)
hauser.indep <- gnm(Freq ~ Father + Son, data=Hauser79, family=poisson)
mosaic(hauser.indep, ~Father+Son, main="Independence model", gp=shading_Friendly)
hauser.quasi <- update(hauser.indep, ~ . + Diag(Father,Son))
mosaic(hauser.quasi, ~Father+Son, main="Quasi-independence model", gp=shading_Friendly)
hauser.qsymm <- update(hauser.indep, ~ . + Diag(Father,Son) + Symm(Father,Son))
mosaic(hauser.qsymm, ~Father+Son, main="Quasi-symmetry model", gp=shading_Friendly)
#mosaic(hauser.qsymm, ~Father+Son, main="Quasi-symmetry model")
# numeric scores for row/column effects
Sscore <- as.numeric(Hauser79$Son)
Fscore <- as.numeric(Hauser79$Father)
# row effects model
hauser.roweff <- update(hauser.indep, ~ . + Father*Sscore)
LRstats(hauser.roweff)
# uniform association
hauser.UA <- update(hauser.indep, ~ . + Fscore*Sscore)
LRstats(hauser.UA)
# uniform association, omitting diagonals
hauser.UAdiag <- update(hauser.indep, ~ . + Fscore*Sscore + Diag(Father,Son))
LRstats(hauser.UAdiag)
# Levels for Hauser 5-level model
levels <- matrix(c(
2, 4, 5, 5, 5,
3, 4, 5, 5, 5,
5, 5, 5, 5, 5,
5, 5, 5, 4, 4,
5, 5, 5, 4, 1
), 5, 5, byrow=TRUE)
hauser.topo <- update(hauser.indep, ~ . + Topo(Father, Son, spec=levels))
mosaic(hauser.topo, ~Father+Son, main="Topological model", gp=shading_Friendly)
hauser.RC <- update(hauser.indep, ~ . + Mult(Father, Son), verbose=FALSE)
mosaic(hauser.RC, ~Father+Son, main="RC model", gp=shading_Friendly)
LRstats(hauser.RC)
# crossings models
hauser.CR <- update(hauser.indep, ~ . + Crossings(Father,Son))
mosaic(hauser.topo, ~Father+Son, main="Crossings model", gp=shading_Friendly)
LRstats(hauser.CR)
hauser.CRdiag <- update(hauser.indep, ~ . + Crossings(Father,Son) + Diag(Father,Son))
LRstats(hauser.CRdiag)
# compare model fit statistics
modlist <- glmlist(hauser.indep, hauser.roweff, hauser.UA, hauser.UAdiag,
hauser.quasi, hauser.qsymm, hauser.topo,
hauser.RC, hauser.CR, hauser.CRdiag)
sumry <- LRstats(modlist)
sumry[order(sumry$AIC, decreasing=TRUE),]
# or, more simply
LRstats(modlist, sortby="AIC")
mods <- substring(rownames(sumry),8)
with(sumry,
{plot(Df, AIC, cex=1.3, pch=19, xlab='Degrees of freedom', ylab='AIC')
text(Df, AIC, mods, adj=c(0.5,-.5), col='red', xpd=TRUE)
})
# }
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