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PCA_Jan_14<-data.frame(read.table("./PCA_Aug_14.csv", sep=",", fill=T, quote="", stringsAsFactors=FALSE)) | |
scrip<-PCA_Jan_14[-1,] | |
scrip<-scrip[-1,] | |
scrip_ordered<-scrip[order(as.numeric(as.character(scrip$V7)), decreasing=T),] | |
cost<-cbind(scrip$V3, as.numeric(scrip$V11)/(100*as.numeric(scrip$V7)) ) | |
cost<-data.frame(cost) | |
cost<-cost[!(cost$X2==Inf),] | |
cost<-aggregate(as.numeric(as.character(cost$X2)), by=list(as.character(cost$X1)), median) | |
cost_ordered<-cost[order(as.numeric(as.character(cost$x)), decreasing=T), ] | |
height<-as.numeric(agg$x[1:20]/1E6) | |
names<-as.character(agg$Group.1[1:20]) | |
names<-ordered(names, levels=rev(names)) | |
cost_height<-as.numeric(cost_ordered$x[1:10]) | |
cost_name<-ordered(as.character(cost_ordered$Group.1[1:10]), levels=rev(cost_ordered$Group.1[1:10])) | |
cost_type<-scrip$V2[match(cost_name, scrip$V3)] | |
df<-data.frame(cost_name, cost_height) | |
mdf<-melt(df) | |
pdf("top10_prescrip_cost.pdf", width=20, height=7) | |
ggplot(mdf, aes(cost_name, value, fill=cost_type)) + | |
geom_bar(stat="identity") + | |
coord_flip() + | |
ylab("Cost of one prescription (£'s)") + | |
xlab("") + | |
guides(fill=guide_legend(title="British National Formulary Section Name")) + | |
theme(text = element_text(size=20, colour="black"), axis.text.y = element_text(size=20, colour="black")) | |
dev.off() |
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