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kfold.MATCH <-function(iicc, Seqin){
require("MEET")
write.fasta <- get("write.fasta",pos="package:seqinr")
read.fasta <- get("read.fasta",pos="package:seqinr")
position<-iicc$position
vectorP<-iicc$vector
Prob<-iicc$background
x<-read.fasta(file=Seqin)
y<-x[-iicc$outsequence]
DNA <- iicc$DNAreal
ROCcurve<-vector(mode="list", length=length(vectorP))
for(i in 1:length(vectorP)){
CoreCut<-vectorP[i]
matriu_roc <- matrix(,,2)
for(m in 1:length(y)){
z<-y[-m]
write.fasta(sequences=z,names=c(1:length(z)),file.out="background.fa",open="w")
Factortrans<-switch(iicc$alignment, "CLUSTALW"=align.clustalw(filein="SetTF.fa", fileout="Sq.fa", call=iicc$call.clustalw), "MUSCLE"=align.muscle(filein="SetTF.fa", fileout="Sq.fa", gapopen=iicc$gapopen, maxiters=iicc$maxiters,gapextend=iicc$gapextend, call=iicc$call.muscle),"MEME"=align.MEME(filein="SetTF.fa",fileout="Sq.fa",iicc),"NONE"=Read.aligned("background.fa"), stop("Alignment method not included"))
window<-ncol(Factortrans)
suma<-apply(Factortrans,2,function(y){sum(y=="-")})
training.set<-Factortrans<-Factortrans[, suma==0]
iicc$Transcriptionfactor<-Factortrans
Background<-sapply(X=c(1:(length(DNA)-ncol(Factortrans)+1)), FUN=function(X, Factortrans){DNA[X:(X+ncol(Factortrans)-1)]}, Factortrans=Factortrans)
Background<-t(Background)
logodds <- CalculInformation(training.set, Prob=Prob)
vector_informacio <- as.vector(logodds[,1])
inf <- vector(mode='logical', length=(length(vector_informacio)-4))
for (j in 1:(length(vector_informacio)-4)){
inf[j] <- vector_informacio[j]+vector_informacio[j+1]+vector_informacio[j+2]+vector_informacio[j+3]+vector_informacio[j+4]
}
index <- which.max(inf)
core <- logodds[(index:(index+4)),2:ncol(logodds)]
logodds <- logodds[,2:dim(logodds)[2]]
minim<-0
maxim<-0
minim_core<-0
maxim_core<-0
for(j in 1:dim(logodds)[1]){
minim <- min(logodds[j,])+minim
maxim <- max(logodds[j,])+maxim
}
for (j in 1:dim(core)[1]){
minim_core <- minim_core+ min(core[j,])
maxim_core <- maxim_core+ max(core[j,])
}
iicc$minim<-minim
iicc$maxim<-maxim
iicc$logodds<-logodds
iicc$minimCore<-minim_core
iicc$maximCore<-maxim_core
iicc$core<-core
iicc$index<-index
CoreSeq<- Background[,index:(index+4)]
Scores<-apply (Background,1, CalculScores,logodds=iicc$logodds)
CoreScores<-apply(CoreSeq,1,CalculScores, logodds=iicc$core)
Similarity<-sapply(Scores,CalculSimilarity, minim=iicc$minim, maxim=iicc$maxim)
CoreSimilarity<-sapply(CoreScores,CalculSimilarity, minim=iicc$minimCore, maxim=iicc$maximCore)
matriuROC<-rbind(Similarity, CoreSimilarity)
matriuROC<-as.matrix(matriuROC)
matriuROC<-t(matriuROC)
matriu_roc<-rbind(matriu_roc, matriuROC)
}
matriu_roc<-matriu_roc[2:nrow(matriu_roc),]
indexs <- which(matriu_roc[,2]<=CoreCut)
print(summary(indexs))
matriu_roc[indexs,1]<-0
ROCcurve[[i]]<-matriu_roc[,1]
}
ROCcurve
}
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