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library(ggplot2)
library(reshape2)
library(scales)
library(plyr)
mydata <- read.csv("/Users/Hong/Desktop/data/data9/2.csv",header=T)
mydata2 <- melt(mydata,id.vars=c("ID"))
mydata3 <- ddply(mydata2,.(variable),transform,label=rescale(value))
ggplot(mydata3,aes(x=variable,y=ID))+geom_tile(aes(fill=label))+scale_fill_gradient(low = "green", high = "red")+labs(x="Groups",y="microRNA")+ggtitle("R2-37")
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