setwd("E:/CDS dissertation/cds initial") # /stock 7 #设定工作目录为D盘
a = list.files("stock 7") #list.files命令将input文件夹下所有文件名输入a
dir = paste("./stock 7/",a,sep="") #用paste命令构建路径变量dir
n = length(dir) #读取dir长度,也就是文件夹下的文件个数
merge.data = read.csv(file = dir[1],header=T,sep=",") #读入第一个文件内容
for (i in 2:n){
new.data = read.csv(file = dir, header=T, sep=",")
merge.data = rbind(merge.data,new.data)
}
Error in rbind(deparse.level, ...) : 变量的列数不对
In addition: There were 50 or more warnings (use warnings() to see the first 50)