Nothing
vectomatch<-function(vec1,vec2)
{
d<-dim(vec1)[2]
prenum<-dim(vec1)[1]
curnum<-dim(vec2)[1]
parento<-matrix(0,curnum,1)
smallernum<-min(prenum,curnum)
greaternum<-max(prenum,curnum)
dista<-matrix(NA,smallernum,greaternum)
for (ap in 1:smallernum){
for (be in 1:greaternum){
if (d==1){
if (prenum<=curnum){
precenter<-vec1[ap]
curcenter<-vec2[be]
}
else{
precenter<-vec2[ap]
curcenter<-vec1[be]
}
}
else{
if (prenum<=curnum){
precenter<-vec1[ap,]
curcenter<-vec2[be,]
}
else{
precenter<-vec2[ap,]
curcenter<-vec1[be,]
}
}
dista[ap,be]<-etais(curcenter,precenter)
}
}
match<-matrix(0,smallernum,1) #for each mode the best match
findtie<-TRUE
# find the best match for all and check whether there are ties
match<-matrix(0,smallernum,1)
for (bm in 1:smallernum){
minimi<-min(dista[bm,],na.rm=TRUE)
match[bm]<-which(minimi==dista[bm,])[1]
}
findtie<-FALSE
bm<-1
while ((bm<=smallernum) && (findtie==FALSE)){
koe<-match[bm]
bm2<-bm+1
while (bm2<=smallernum){
if (koe==match[bm2]){
findtie<-TRUE
}
bm2<-bm2+1
}
bm<-bm+1
}
onkayty<-FALSE
tiematch<-matrix(0,smallernum,1)
while (findtie){
onkayty<-TRUE
# find the best match for all
bestmatch<-matrix(0,smallernum,1)
for (bm in 1:smallernum){
allna<-TRUE
am<-1
while ((am<=greaternum) && (allna)){
if (!is.na(dista[bm,am])) allna<-FALSE
am<-am+1
}
if (!(allna)){
minimi<-min(dista[bm,],na.rm=TRUE)
bestmatch[bm]<-which(minimi==dista[bm,])[1]
}
else bestmatch[bm]<-tiematch[bm]
}
# find the first tie
findtie<-FALSE
tieset<-matrix(0,smallernum,1)
bm<-1
while ((bm<=smallernum) && (findtie==FALSE)){
koe<-bestmatch[bm]
bm2<-bm+1
while (bm2<=smallernum){
if (koe==bestmatch[bm2]){
findtie<-TRUE
tieset[bm]<-1
tieset[bm2]<-1
}
bm2<-bm2+1
}
bm<-bm+1
}
# solve the first tie
if (findtie==TRUE){
numofties<-sum(tieset)
kavelija<-0
tiepointer<-matrix(0,numofties,1)
# find the second best
secondbest<-matrix(0,smallernum,1)
for (bm in 1:smallernum){
if (tieset[bm]==1){
redudista<-dista[bm,]
redudista[bestmatch[bm]]<-NA
minimi<-min(redudista,na.rm=TRUE)
secondbest[bm]<-which(minimi==redudista)[1]
kavelija<-kavelija+1
tiepointer[kavelija]<-bm
}
}
# try different combinations
# try all subsets of size 2 from the set of ties
numofsubsets<-choose(numofties,2)
#gamma(numofties+1)/gamma(numofties-2+1)
valuelist<-matrix(0,numofsubsets,1)
vinnerlist<-matrix(0,numofsubsets,1)
matchlist<-matrix(0,numofsubsets,1)
runneri<-1
eka<-1
while (eka<=numofties){
ekapo<-tiepointer[eka]
toka<-eka+1
while (toka<=numofties){
tokapo<-tiepointer[toka]
# try combinations for this subset (there are 2)
# 1st combination
fvinner<-ekapo
fvinnermatch<-bestmatch[fvinner]
floser<-tokapo
flosermatch<-secondbest[floser]
fvalue<-dista[fvinner,fvinnermatch]+dista[floser,flosermatch]
# 2nd combination
svinner<-tokapo
svinnermatch<-bestmatch[svinner]
sloser<-ekapo
slosermatch<-secondbest[sloser]
svalue<-dista[svinner,svinnermatch]+dista[sloser,slosermatch]
# tournament
if (fvalue<svalue){
valuelist[runneri]<-fvalue
vinnerlist[runneri]<-fvinner
matchlist[runneri]<-fvinnermatch
}
else{
valuelist[runneri]<-svalue
vinnerlist[runneri]<-svinner
matchlist[runneri]<-svinnermatch
}
runneri<-runneri+1
#
toka<-toka+1
}
eka<-eka+1
}
minimi<-min(valuelist,na.rm=TRUE)
bestsub<-which(minimi==valuelist)[1]
vinnerson<-vinnerlist[bestsub]
matcherson<-matchlist[bestsub]
tiematch[vinnerson]<-matcherson
dista[vinnerson,]<-NA
dista[,matcherson]<-NA
}
} #while (findtie)
if (onkayty){ #there was one tie
for (sepo in 1:smallernum){
if (tiematch[sepo]!=0) match[sepo]<-tiematch[sepo]
else match[sepo]<-bestmatch[sepo]
}
}
newnode<-matrix(0,curnum,1)
if (prenum>curnum) parento<-match
else{
for (i in 1:prenum){ #kaannetaan linkit
linko<-match[i]
parento[linko]<-i
}
for (j in 1:curnum){
if (parento[j]==0){ #jos ei linkkia, haetaan lahin vanhemmaksi
newnode[j]<-1 #we label the rest-labels
distvec<-dista[,j] #sarake antaa etaisyyden
minimi<-min(distvec,na.rm=TRUE)
parento[j]<-which(minimi==distvec)[1]
}
}
}
return(list(parent=parento,newnode=newnode))
}
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