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pieplotfunction_new.R
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pieplotfunction_new.R
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#####plot scatter pie plot function####
#####Nov 12,2018####
##load packages##
library(dplyr)
library(ggplot2)
library(ggrepel)
library(scatterpie)
library(reshape2)
library(tidyr)
##FUNCTION 1##
readdat<-function(temp){
##load data in ##
temp<-read.delim2(temp,sep = '\t',header = TRUE,stringsAsFactors = FALSE)
##select column by name##
temp<-temp[,c("Break1_Gene","Break2_Gene","SVTYPE","Samples")]
}
##FUNCTION 2##
##GET UNIQUE OBSERVATIONS##
modifygene<-function(temp){
##split to get gene name##
for (i in 1:nrow(temp)){
temp$gene1[i]<-strsplit(temp$Break1_Gene[i],"_")[[1]][1]
temp$gene2[i]<-strsplit(temp$Break2_Gene[i],"_")[[1]][1]
}
##subset temp without INTERGENIC in gene1 AND gene2##
temp<-filter(temp, !grepl('INTERGENIC',gene1,gene2))
##rearrange column##
temp<-temp[,c(5,6,3,4)]
##unique rows##
temp<-unique(temp)
}
##FUNCTION 3 WIDE TO LONG UNIQUE GENE SVTYPE AND SAMPLE##
wide2long<-function(temp){
##wide to long:combine gene1 and gene2 into one column##
temp<-melt(temp,id.vars=c("SVTYPE","Samples"))
temp<-temp[,-3]
temp<-rename(temp,gene=value)
##unique rows for counting gene and sample##
temp<-unique(temp)
##separate Samples into multiple rows##IMPORTANT STEP##
temp<-separate_rows(temp,Samples,sep=";",convert = TRUE)
temp<-unique(temp) #23223 unique genes and samples and SVTYPE
}
##FUNCTION 4##
##ONE SAMPLE TO ONE TYPE##
choose1type<-function(temp){
##create one new variable gene:sample##
temp$sample<-temp$Samples
temp$genes<-temp$gene
temp<-unite(temp,"sample_gene",c("genes","sample"))
##final dataset to work on statistics##
temp<-subset(temp,!duplicated(temp[,4]))
}
##FUNCTION 5##
##summarize/STATISTICS##
STcounts<-function(temp){
temp<-temp %>% group_by(gene,SVTYPE) %>% summarize(count = n())
##long to wide##
temp<-spread(temp,SVTYPE,count)
temp[is.na(temp)] <- 0
temp1<-temp %>%group_by(gene)%>%summarize(total=sum(INV,TDUP,TRA))
temp_plot<-left_join(temp,temp1,by="gene")
}
######apply functions#########
pie1<-readdat('RNA_sv_all_100.txt') ##first step output##
pie2<-modifygene(pie1) ##OUTPUT FROM FUNCTION 2##
pie3<-wide2long(pie2) ##OUTPUT FROM FUNCTION 3##
pie4<-choose1type(pie3) ##OUTPUT FROM FUNCTION 4##
pie5<-STcounts(pie4)
exon1<-readdat('with_exon_all.txt') ##first step output##
exon2<-modifygene(exon1) ##OUTPUT FROM FUNCTION 2##
exon3<-wide2long(exon2) ##OUTPUT FROM FUNCTION 3##
exon4<-choose1type(exon3) ##OUTPUT FROM FUNCTION 4##
exon5<-STcounts(exon4)
##########
pieF1<-readdat('RNA_sv_all_500.txt')
pieF2<-modifygene(pieF1)
pieF3<-wide2long(pieF2)
pieF4<-choose1type(pieF3)
pieF5<-STcounts(pieF4)
pieT1<-readdat('RNA_sv_all_1000.txt')
pieT2<-modifygene(pieT1)
pieT3<-wide2long(pieT2)
pieT4<-choose1type(pieT3)
pieT5<-STcounts(pieT4)
##FUNCTION 6##
broken<-function(file){
xtemp<-read.delim2(file,sep = '\t',header=FALSE,stringsAsFactors = FALSE)
xtemp<-separate(xtemp,V2,c("Broken.samples","V3"))
xtemp<-rename(xtemp,gene=V1)
xtemp$Broken.samples<-as.numeric(xtemp$Broken.samples)
xtemp<-xtemp[,c("gene","Broken.samples")]
return(xtemp)
}
##read new broken data and transform to "gene, Broken.samples"##
broken_new<-broken('sort_by_count_new.txt')
##NO DEL NEW BROKEN DATA##
broken_new2<-broken('sort_by_count_new_no_del.txt')
##FUNCTION 7##
##JOIN DATA TO PLOT##
join4plot<-function(xfile,yfile){
##join broken and pie data for plot##
jointemp<-full_join(xfile,yfile,by="gene")
jointemp[is.na(jointemp)] <- 0
jointemp<-rename(jointemp,Nonlinear.samples=total)
}
pie<-join4plot(broken_new2,pie5)
pie<-join4plot(broken_new,exon5)
##join broken and pie data for plot##
#pie<-full_join(broken_new2,pie5,by="gene")
#pie[is.na(pie)] <- 0
#pie<-rename(pie,Nonlinear.samples=total)
##add all cancer or prostate cancer gene note##
#prostate<-read.delim2('prostate.txt',sep = '\t',header = FALSE)
#all<-read.delim2('combined_gene_list.txt', sep = '\t')
#prostate$prostate<-prostate$V1
#all$all<-all$GENE
#prostate<-rename(prostate,gene=V1)
#all<-rename(all,gene=GENE)
#pie<-left_join(pie,all,by="gene")
#pie<-left_join(pie,prostate,by="gene")
#pie$all<-as.character(pie$all)
#pie$prostate<-as.character(pie$prostate)
##plot##
##define vertical and horizontal line intercept##
plot(pie$Broken.samples,pie$Nonlinear.samples) #x=10,y=20
abline(h = 20, v = 10, col = "gray60")
######TRY THIS USE THIS####somepie#########
#################selected genes#########################
###1)only pie area I###
#slgene<-c("ACPP","MYC","PTEN","CDKN1B","RB1","FOXA1","TP53","AR","TMPRSS2","ERG","ELK4","ETV1","FAT1","FOXP1")
slgene<-c("ACPP","MYC","PTEN","CDKN1B","RB1","FOXA1","TP53","AR","TMPRSS2","ERG","ELK4","ETV1","FOXP1")
#####slgene in gene and in first area##use this for final plot##
##modify##try this##
#pie$colorg<-NULL
#for (i in 1:nrow(pie)){
# pie$colorg[i]<-ifelse(pie$Broken.samples[i]>10&pie$Nonlinear.samples[i]<20,4,ifelse(pie$Nonlinear.samples[i]>20&pie$Broken.samples[i]<10,2,ifelse(pie$Broken.samples[i]<=10&pie$Nonlinear.samples[i]<=20,3,1)))
# ifelse(pie$colorg[i]==1,pie$labelg[i]<-pie$gene[i],pie$labelg[i]<-'')
#}
#pie$colorg<-as.factor(pie$colorg)
##label gene in slgene## and area I USE THIS##
##area I II III IV##
pie$colorg<-NULL
pie$labelg<-NULL
for (i in 1:nrow(pie)){
pie$colorg[i]<-ifelse(pie$Broken.samples[i]>=10&pie$Nonlinear.samples[i]<20,4,ifelse(pie$Nonlinear.samples[i]>=20&pie$Broken.samples[i]<10,2,ifelse(pie$Broken.samples[i]<10&pie$Nonlinear.samples[i]<20,3,1)))
ifelse(pie$colorg[i]==1|pie$gene[i]%in%slgene,pie$labelg[i]<-pie$gene[i],pie$labelg[i]<-'')
}
pie$colorg<-as.factor(pie$colorg)
for (i in 1:nrow(pie)){
ifelse(pie$colorg[i]==1|pie$gene[i]%in%slgene,pie$size[i]<-1,pie$size[i]<-0)
}
##FUNCTION 8##
##INDICATOR FOR PLOT##
indicator<-function(genelist,file){
file$colorg
}
##plot regular scatter plot##
##overlap:color size shape#USE THIS ONE Final one##
pt46<-ggplot(pie,aes(x=Broken.samples,y=Nonlinear.samples,label=pie$labelg))+
geom_point(size=ifelse(pie$colorg==1,3,2),color=ifelse(pie$colorg==1,"red",ifelse(pie$colorg==3,"grey90","grey")),shape=ifelse(pie$colorg==1,21,1),fill=ifelse(pie$colorg==1,"red",NA))+
labs(x="# of Samples from SV (DNA)",y="# of Samples from Nonlinear Splicing (RNA)")+
geom_vline(xintercept=10,linetype="dashed",size=0.1)+
geom_hline(yintercept=20,linetype="dashed",size=0.1)+
geom_text_repel()+
theme_bw()+
theme(panel.grid.major=element_blank(),
panel.grid.minor=element_blank())+
theme(legend.position = "none")
ggsave("Broken_new_100_exon_final.pdf",width=8,height=8)
#####plot pie plot area I and slgenes###############
#######FINAL PIE PLOT USE THIS!################
pt44<-ggplot(pie,aes(x=Broken.samples,y=Nonlinear.samples,label=pie$labelg))+
geom_point(color="grey70")+
geom_vline(xintercept=10,linetype="dashed",size=0.1)+
geom_hline(yintercept=20,linetype="dashed",size=0.1)+
geom_text_repel()+
theme_bw()+
theme(panel.grid.major=element_blank(),
panel.grid.minor=element_blank())+
theme(legend.position = c(0.85,0.85))
pt44pie<-pt44+geom_scatterpie(aes(x=Broken.samples, y=Nonlinear.samples, group=gene,r=size), data=pie[pie$labelg!='',],
cols=c("INV","TDUP","TRA")) + coord_equal()+labs(x="# of Samples from SV (DNA)",y="# of Samples from Nonlinear Splicing (RNA)")
ggsave("broken_new_pie-100_exon_final.pdf",width=8,height=8)
write.table(pie,file="pie-100.txt",row.names = FALSE,col.names = TRUE,quote = FALSE,sep="\t")
#############################################################