Created
May 25, 2018 09:59
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Generating some exploratory plots of mitocyto data.
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# Read data and rename columns | |
dat = read.delim("mitocyto_merged_results.csv",sep=",",stringsAsFactors=FALSE) | |
colnames(dat) = c("value","id","channel","patient_id","patient_type") | |
# Specify which ids correspond to patients, and which to control | |
dat$patient_type = ifelse(dat$patient_id=="M1105","patient","control") | |
dat$patient_id = paste(toupper(substr(dat$patient_type,1,1)),dat$patient_id,sep="_") | |
# Specify some colours for plotting | |
dat$colour = "black" | |
dat$colour[dat$patient_type=="patient"]=rgb(1,0,0,0.3) | |
dat$colour[dat$patient_type=="control"]=rgb(0,0,1,0.3) | |
# Different ways to group the data | |
channels = sort(unique(dat$channel)) | |
patient_types = sort(unique(dat$patient_type)) | |
patient_ids = sort(unique(dat$patient_id)) | |
# Stripchart reports, one per channel (compare between individuals) | |
pdf("ByChannel.pdf",width=16,height=12,pointsize=20) | |
op = par(mfrow=c(3,4),mar = c(3, 4, 0, 0.3) + 0.1) | |
for(channel in channels){ | |
d = dat[dat$channel == channel,] | |
xgrps = levels(factor(d$patient_id)) | |
xcols = sapply(xgrps,function(x) unique(d$col[d$patient_id==x])) | |
stripchart(d$value~d$patient_id,col=xcols,vertical=TRUE,method="jitter",ylab=channel,pch=16,cex=1) | |
} | |
par(op) | |
dev.off() | |
# Stripchart reports, one per individual (compare between channels) | |
pdf("ByPatient.pdf",width=8,height=8,pointsize=14) | |
op = par(mar = c(8, 4, 2, 2) + 0.1) | |
for(patient_id in patient_ids){ | |
d = dat[dat$patient_id == patient_id,] | |
xgrps = levels(factor(d$channels)) | |
xcols = rgb(0,0,0,0.05) | |
stripchart(d$value~d$channel,col=xcols,vertical=TRUE, | |
method="jitter",jitter=0.2,ylab=patient_id,pch=16,las=2, | |
ylim=c(min(dat$value),max(dat$value)),cex=2, | |
main=paste("N =",length(d$value))) | |
} | |
par(op) | |
dev.off() |
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