读取Excel文件
先安装"xlsx"(安装过程会同时安装成功"xlsxjars","rJava")
install.packages("xlsx")
library('xlsx')
library('xlsxjars')
library('rJava')
准备的数据文件read.xls涉及两个sheet
> sheet1 = read.xlsx("read.xls",1) ##sheet对应第一个
> sheet1
Samples Num
1 A 1
2 B 2
3 C 3
> sheet2 = read.xlsx("read.xls",2) ##sheet对应第二个
> sheet2
Samples Treat
1 A 10 d
2 B 20 d
3 C 30 d
