'C') # Rmarkdown全局设置 # 调用R包 library(ggcorrplot) library(corrplot) 2.2 数据读入 options(stringsAsFactors=F)# R中环境变量设置,防止字符型变量转换为因子 # 读入环境因子数据表 ENV=read.csv("env.csv",header = T,row.names = 1,sep = ",",comment....