#' @import dbscan
#' @export
clusteringOptics=function(cluster,cutoff,dim){
## EXTRACT THE X AND Y COORDINATES FROM THE BH-SNE RESULT.
if(dim==2){
rdis.sne.xy=as.matrix(cluster[,c("x","y")])
set.seed(0)
test.hd=hdbscan(rdis.sne.xy,minPts = cutoff)
cluster.test=data.frame(matrix(ncol=0,nrow=0)); cluster.test=as.data.frame(cbind(rdis.sne.xy,scan.sne2$cluster)); colnames(cluster.test)=c("x","y","colors");rownames(cluster.test)=rownames(cluster)
renum=data.frame(colors=as.numeric(unique(cluster.test$colors)))
n=nrow(renum)-1
palette(c(rainbow(n)))
plot(0:n, pch=CIRCLE<-16, cex=3, col=rainbow(n))
cluster.test$colors[cluster.test$colors==0]="grey"
p=ggplot(cluster.test,aes(x,y))+theme_bw()+geom_point(size=4,pch=21,fill=cluster.test$colors)+theme(legend.position="none")
print(p)
print("Number of modules:")
print(n)
}
if(dim==3){
rdis.sne.xyz=as.matrix(cluster[,c("x","y","z")])
set.seed(0)
test.hd=hdbscan(rdis.sne.xyz,minPts = cutoff)
# plot(test.hd,scale="suggest",show_flat=T)
cluster.test=data.frame(matrix(ncol=0,nrow=0)); cluster.test=as.data.frame(cbind(rdis.sne.xyz,test.hd$cluster)); colnames(cluster.test)=c("x","y","z","colors");rownames(cluster.test)=rownames(cluster)
renum=data.frame(colors=as.numeric(unique(cluster.test$colors)))
n=nrow(renum)-1
palette(c(rainbow(n)))
cluster.test$colors[cluster.test$colors==0]="grey"
plot3d(cluster.test$x,cluster.test$y,cluster.test$z,col=cluster.test$colors)
print("Number of modules:")
print(n)
}
return(cluster.test)
}
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