#' Top Hundred Network Function
#'
#' This function allows you to analyze top 100 genes from a signature using the interactome dataset
#' @param File ? Defaults to NULL.
#' @keywords topHundredNetwork
#' @export
#' @examples
#' topHundredNetwork() will analyze network for vorinostat signature from ilincs
topHundredNetwork<-function(File=NULL,phy=FALSE,layOut=1,package=FALSE,nodeGoData=NULL,edgeGoData=NULL,proteinN=1){
# library(igraph)
# library(BioNet)
# library(DLBCL)
# data(interactome)
# library(networkD3)
# library(visNetwork)
#
# if(!is.null(File))
# { if(is.null(upload1)){
# File<-File
# }
#
#
#
# else{
# File<-read.csv(file=File,sep='\t')
# colnames(File)<-c("signatureID","GeneID","GeneNames","coefficients","Pvals")
#
#
# }
# }
# else{
# File<-read.csv(file=system.file("extdata", "sig_try3.tsv", package = "SigNetA"),sep='\t')
#
# }
sortedFile<-sortNetwork(File)
logic<-sortedFile
# print("1")
# if(proteinN=="2"){
# geninfo<-geneInfoFromPortals(geneList=as.character(logic$GeneID),symbol=T,names=F) #interactome
# geneLabels<-apply(geninfo,1,function(x) paste(x[2],"(",as.integer(x[1]),")",sep="")) #interactome
# }
# print("2")
# if(proteinN=="1"){
#
#
# load(system.file("extdata", "weightedGraphStringPPI_10.rda", package = "SigNetA"))#STRING
#
# ppiGW.copy <- delete.edges(ppiGW, which(E(ppiGW)$weight <=0.7))#STRING
#
# subnet <- subNetwork(logic$GeneID, ppiGW.copy,neighbors = "none")
#
#
# }
#
# if(proteinN=="2"){
# subnet <- subNetwork(geneLabels, interactome,neighbors = "none") #interactome
#
# }
#
# subnet <- rmSelfLoops(subnet)
# if(proteinN=="1"){
# geninfo<-geneInfoFromPortals(geneList=as.character(V(subnet)),symbol=T,names=F) #STRING
# geneLabels<-apply(geninfo,1,function(x) paste(x[2],"(",as.integer(x[1]),")",sep=""))#STRING
# }
# #STRING genelabels
#
# logFC<-as.numeric(logic$coefficients)
# names(logFC)<-geneLabels
# module<-subnet
#
#
# colorNet<-plotmodule2(module, diff.expr = logFC)
##STRING NETWORK ONE(GET MODULE)##
if(proteinN==1){
#geninfo<-geneInfoFromPortals(geneList=as.character(logic$GeneID),symbol=T,names=F)
geninfo<- geneData[which(geneData$GeneID%in%as.character(logic$GeneID)),]
geneLabels<-apply(geninfo,1,function(x) paste(x[2],"(",as.integer(x[1]),")",sep=""))
pval<-as.numeric(logic$Pvals)
pval<- -log10(pval)
names(pval)<-geneLabels
logFC<-as.numeric(logic$coefficients)
names(logFC)<-geneLabels
####Modified function used#######
# load(system.file("extdata", "weightedGraphStringPPI_10.rda", package = "SigNetA"))
# load(system.file("extdata", "lincscp_1.rda", package = "SigNetA"))
#ppiGW.copy <- delete.edges(ppiGW, which(E(ppiGW)$weight <=0.7))
# ppi <- rmSelfLoops(ppiGW.copy)
ppi<-igraph::simplify(ppiGW,remove.loops = TRUE,remove.multiple = FALSE)
ppi=decompose.graph(ppi)[[1]] #get the largest subgraph
###Identify module using FastHeinz algorithm, nsize is fixed to 30 nodes
names(pval)<-logic$GeneID
#module=modules_RWR_TopScores(subnet=ppi, data_vector=pval, damping_factor=0.8, nseeds=10)
module <- subNetwork(logic$GeneID, ppi,neighbors = "none")
#pdf("wor.pdf")
colorNet<-plotmodule2(module, scores = V(module)$score, diff.expr = logFC)
module<-igraph.to.graphNEL(colorNet$n) #STRING
# dev.off()
}
else if(proteinN==2){
# geninfo<-geneInfoFromPortals(geneList=as.character(logic$GeneID),symbol=T,names=F)
geninfo<- geneData[which(geneData$GeneID%in%as.character(logic$GeneID)),]
geneLabels<-apply(geninfo,1,function(x) paste(x[2],"(",as.integer(x[1]),")",sep=""))
pval<-as.numeric(logic$Pvals)
pval<- -log10(pval)
names(pval)<-geneLabels
logFC<-as.numeric(logic$coefficients)
names(logFC)<-geneLabels
####Modified function used#######
#interactome<-igraph.to.graphNEL(interactome)
ppi<- rmSelfLoops(interactome)
#ppi=decompose.graph(ppi)[[1]] #get the largest subgraph
###Identify module using FastHeinz algorithm, nsize is fixed to 30 nodes
names(pval)<-logic$GeneID
# module=modules_RWR_TopScores(subnet=ppi, data_vector=pval, damping_factor=0.8, nseeds=10)
module <- subNetwork(logic$GeneID, ppi,neighbors = "none")
# pdf("wor.pdf")
colorNet<-plotmodule2(module, scores = V(module)$score, diff.expr = logFC)
module<-igraph.to.graphNEL(colorNet$n) #STRING
# dev.off()
}
##END...STRING NETWORK ONE(GET MODULE##
## IGRAPH LAYOUTS
if(layOut=="1"){
l<-layout_with_fr(colorNet$n)
visLay<-"layout_with_fr"
}
else if(layOut=="3"){
l<-layout_on_grid(colorNet$n)
visLay<-"layout_on_grid"
}
else if(layOut=="4"){
l<-layout_with_kk(colorNet$n)
visLay<-"layout_with_kk"
}
else if(layOut=="5"){
l<-layout_on_sphere(colorNet$n)
visLay<-"layout_on_sphere"
}
else if(layOut=="6"){
l<-layout_with_graphopt(colorNet$n)
visLay<-"layout_with_graphopt"
}
###dev.off();
conNodes<-function(x){
if(ltn[x]>0)
id[x]
}
id <- nodes(module) #interactome
ltn<-unlist(lapply(edgeL(module),function(x) length(x[[1]]))) #interactome
modNodes<-unlist(lapply(1:length(ltn),conNodes ))
id<-modNodes
# if(proteinN=="2"){
# name <- id # interactome and rcytoscapejs2
# label<-id
# }
# if(proteinN=="1")
# {
# geninfo2<-geneInfoFromPortals(geneList=as.character(id),symbol=T,names=F) #STRING
geninfo2<- geneData[which(geneData$GeneID%in%as.character(id)),]
name<-apply(geninfo2,1,function(x) paste(x[2],"(",as.integer(x[1]),")",sep=""))#STRING
label<-apply(geninfo2,1,function(x) paste(x[2],"(",as.integer(x[1]),")",sep=""))
#}
nodeData <- data.frame(id, name, stringsAsFactors=FALSE) ##RCYTOSCAPEJS2
nodeVisData<-data.frame(id,label,stringsAsFactors = FALSE)
id<-nodes(module)
nodeData$color<- rep("#00FF0F",nrow(nodeData)) #changed color of nodes
nodeData$shape <- "ellipse" #default shape
nodeData$href <- paste0("http://www.ncbi.nlm.nih.gov/gene/",gsub("[\\(\\)]", "", regmatches(nodeData$name, gregexpr("\\(.*?\\)", nodeData$name))))
nodeData$geneID<-gsub("[\\(\\)]", "", regmatches(nodeData$name, gregexpr("\\(.*?\\)", nodeData$name)))
nodeData$name<-sub(" *\\(.*", "", nodeData$name)
nodeData$Diff_Exp="none"
nodeData$x="none" #x and y are the columns required for manual layouts. Also, use "preset" as layout mode in rcytoscapejs2.R
nodeData$y="none"
for(i in 1:length(name)){
nodeData[i,3]<-colorNet$c[i];
nodeData[i,7]<-colorNet$d[i]
nodeData[i,8]<-(l[i,1]+1)*100
nodeData[i,9]<-(l[i,2] +1)*100
}
# print(nodeData)
statNet<<-nodeData
#statNet$df_data<<-nodeData
source<-unlist(lapply(1:length(ltn),function(x) rep(id[x],ltn[x])))
target<-unlist(lapply(edgeL(module), function(x) id[unlist(x)]))
vect<-c()
for(i in 1:length(target)) #extracting the value from the key value pair
vect[i]<-target[[i]]
edgeData <- data.frame(source, target, stringsAsFactors=FALSE)
##VisNetwork###########
nodeVisData$color.background<-rep("blue",nrow(nodeData))
nodeVisData$borderWidth <- 2
nodeVisData$color.border <- "black"
nodeVisData$title<-"<p>Hello world</p>"
nodeVisData$shape<-"dot"
nodeVisData$size<-0
nodeVisData$id<-sub(" *\\(.*", "", nodeVisData$id)
nodeVisData$label<-sub(" *\\(.*", "", nodeVisData$label)
normalize <- function(x) {
return (((x*2 - min(x)) / (max(x) - min(x)))*50)
}
for(i in 1:length(label)){
nodeVisData[i,3]<-colorNet$c[i];
nodeVisData[i,6]<-paste0("<p><b>Gene name:</b>",statNet$name[i],"</p><br><p><b>Gene ID:</b>",statNet$geneID[i],"</p><br><p><b>Differential Expression:</b>",statNet$Diff_Exp[i],"</p><p><b>NCBI link:</b><a href='",statNet$href[i],"' target='_blank'>",statNet$href[i],"</a></p>")
if(colorNet$d[i]<0)
{
nodeVisData[i,8]<-colorNet$d[i] * -1
}
else{
nodeVisData[i,8]<-colorNet$d[i]
}
}
nodeVisData<-data.frame(nodeVisData[1:7], apply(nodeVisData["size"],2, normalize) )
for( l in 1:length(nodeVisData$size)){
if(nodeVisData$size[l]<1)
{
nodeVisData$size[l]<-1
}
}
ltn<-unlist(lapply(edgeL(module),function(x) length(x[[1]])))
sourceVis<-unlist(lapply(1:length(ltn),function(x) rep(id[x],ltn[x])))
targetVis<-unlist(lapply(edgeL(module), function(x) id[unlist(x)]))
vect<-c()
for(i in 1:length(targetVis)) #extracting the value from the key value pair
vect[i]<-targetVis[[i]]
sourceVis<-sub(" *\\(.*", "", sourceVis)
targetVis<-sub(" *\\(.*", "", targetVis)
edgeVisData <- data.frame(from=sourceVis, to=targetVis, stringsAsFactors=FALSE)
for (i in 1:nrow(edgeVisData))
{
edgeVisData[i, ] = sort(edgeVisData[i, ])
}
edgeVisData = edgeVisData[!duplicated(edgeVisData),]
##STRING TWO(ADDING EDGE VALUES)#
if(proteinN=="1"){
edgeVisData$title<-"ppi"
# edgeVisDataMod<-merge(edgeVisData,s,by.x = c("from","to"),by.y =c("a","b"),all.x = TRUE)
edgeVisDataMod<-igraph::as_data_frame(igraph.from.graphNEL(module),what="edges")
for(i in 1:nrow(edgeVisDataMod)){
edgeVisDataMod$title[i]<-paste0("<p><b>Neighborhood score:</b>",edgeVisDataMod$f.neighborhood[i],"</p><b>Fusion score:</b>",edgeVisDataMod$f.fusion[i],"</p><b>Cooccurence score:</b>",edgeVisDataMod$f.cooccurence[i],"</p><b>Coexpression score:</b>",edgeVisDataMod$f.coexpression[i],"</p><b>Experimental score:</b>",edgeVisDataMod$f.experimental[i],"</p><b>Database score:</b>",edgeVisDataMod$f.database[i],"</p><b>Textmining score:</b>",edgeVisDataMod$f.textmining[i],"</p><b>Combined score:</b>",edgeVisDataMod$f.combined_score[i],"</p>")
}
edgeVisData<-edgeVisDataMod
}
##END...STRING TWO (ADDING EDGE VALUES)##
if(is.null(nodeGoData) & is.null(edgeGoData))
{
visObj<- visNetwork(nodeVisData, edgeVisData,height="800px",width="900px")
}
else{
visObj<- visNetwork(nodeGoData, edgeGoData,height="800px",width="900px")
# visObj<-enrichObj
}
visObj<-visExport(visObj,type ="png", name="network",float="right")
if(phy){
#print("physics active")
}
else{
visObj<-visIgraphLayout(visObj,layout=visLay)
}
if(package==TRUE)
{
visNetwork(nodeVisData, edgeVisData,height="800px",width="900px")
}
else{
visObj<-visInteraction(visObj,navigationButtons = TRUE)
visObj<-visOptions(visObj,manipulation = TRUE)
}
return(list("networkObj"=visObj,"networkData"=statNet,"edgeData"=edgeVisData,"nodeData"=nodeVisData))
}
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