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library(reshape2)
library(scales)
library(plyr)
library(ggplot2)
R2_04_8 <- read.csv("/users/taowang/documents/R/R2/R2-8/2.csv",header = T)
R2_04_8 <- melt(R2_04_8,id.vars=c("ID"))
R2_04_8 <- ddply(R2_04_8, .(variable), transform,lable= scale(value, center=T,scale=F) )
ggplot(R2_04_8, aes(x= variable, y = ID))+
geom_tile(aes(fill=lable))+
scale_fill_gradient(low = "green", high = "red")+
xlab("Groups")+
ylab("miRNA ID")+
ggtitle("R2-04")
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