如何在 r 中制作分层集群 pheatmap？答案

【问题标题】：How to make hierarchical cluster pheatmap in r?如何在 r 中制作分层集群 pheatmap？
【发布时间】：2021-07-12 16:22:17
【问题描述】：

我已使用此代码制作分层集群热图，但没有颜色出现

library(tidyverse)

Mydata <- structure(list(Location = c("Karnaphuli River", "Sangu River", "Kutubdia Channel", "Moheshkhali Channel", "Bakkhali River",  "Naf River", "St. Martin's Island", "Mean "), Cr = c(114.92,  2.75, 18.88, 27.6, 39.5, 12.8, 17.45, 33.41), Pb = c(31.29, 26.42,  52.3, 59.45, 34.65, 12.8, 9.5, 32.34), Cu = c(9.48, 54.39, 52.4, 73.28, 76.26, 19.48, 8.94, 42.03), Zn = c(66.2, 71.17, 98.7,  95.3, 127.84, 27.76, 21.78, 72.67), As = c(89.67, 9.85, 8.82, 18.54, 15.38, 7.55, 16.45, 23.75), Cd = c(1.06, 0, 0.96, 2.78, 3.12, 0.79, 0.45, 1.53)), class = "data.frame", row.names = c(NA, -8L))

library(pheatmap)

Mydata %>% column_to_rownames(var = "Location") %>% 
 as.matrix() %>% pheatmap(Mydata, cutree_cols = 6)

【问题讨论】：

标签： r heatmap hierarchical-clustering pheatmap

【解决方案1】：

使用管道时无需再次传递数据。试试看：

library(pheatmap)
Mydata %>% 
   column_to_rownames(var = "Location") %>% 
   as.matrix() %>% pheatmap(cutree_cols = 6)

【讨论】：