: 按列求均值 # 第一组 按列求均值
(x2_mean = apply(x2_bar, 2, mean)) # 第二组 按列求均值
Sp = matrix(c(1,1,1,2),ncol = 2)...首先读取数据:
library(openxlsx)
d6.3 = read.xlsx('.....detach(d3)
library(openxlsx)
d6.4 = read.xlsx(".....首先读取数据:
library(openxlsx)
d1 = read.xlsx("...../Res/mvexer5.xlsx", 'E6.5', cols=c(2,3,4,5));d1$label = 1;d1 # 第一组
d2 = read.xlsx("..