Create test matrix
test = matrix(rnorm(200), 20, 10)
test[1:10, seq(1, 10, 2)] = test[1:10, seq(1, 10, 2)] + 3
test[11:20, seq(2, 10, 2)] = test[11:20, seq(2, 10, 2)] + 2
test[15:20, seq(2, 10, 2)] = test[15:20, seq(2, 10, 2)] + 4
colnames(test) = paste(“Test”, 1:10, sep = “”)
rownames(test) = paste(“Gene”, 1:20, sep = “”)
head(test[,1:6])
Test1 Test2 Test3 Test4 Test5 Test6
Gene1 3.794921 0.6708733 2.704269 -1.343588842 3.866710 -0.8411551
Gene2 3.413836 -0.4212030 1.640834 0.188695288 3.230696 -0.2089067
Gene3 3.395525 1.9352418 5.122096 -1.970689816 3.575553 0.2646297
Gene4 3.660099 -0.7499712 3.175301 -0.122506409 2.816723
Original: https://blog.csdn.net/weixin_34910465/article/details/112649995
Author: 一滴血的记忆
Title: 聚类热图分类注释_pheatmap|暴雨暂歇，“热图”来袭！！！
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