我有一个矩阵,其中有一些相关值。现在我想把它画在一个看起来或多或少像这样的图中:
我怎样才能做到这一点呢?
发布于 2011-03-28 10:37:05
快速,肮脏,和大体:
library(lattice)
#Build the horizontal and vertical axis information
hor <- c("214", "215", "216", "224", "211", "212", "213", "223", "226", "225")
ver <- paste("DM1-", hor, sep="")
#Build the fake correlation matrix
nrowcol <- length(ver)
cor <- matrix(runif(nrowcol*nrowcol, min=0.4), nrow=nrowcol, ncol=nrowcol, dimnames = list(hor, ver))
for (i in 1:nrowcol) cor[i,i] = 1
#Build the plot
rgb.palette <- colorRampPalette(c("blue", "yellow"), space = "rgb")
levelplot(cor, main="stage 12-14 array correlation matrix", xlab="", ylab="", col.regions=rgb.palette(120), cuts=100, at=seq(0,1,0.01))
发布于 2011-03-28 08:18:44
发布于 2011-03-28 12:52:02
使用lattice::levelplot非常简单:
z <- cor(mtcars)
require(lattice)
levelplot(z)
https://stackoverflow.com/questions/5453336
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