merging data list in to single data frame

filelist = list.files(pattern = "K*cd.txt") # the file names are K1cd.txt
.................to K200cd.txt

It's very easy:

names(filelist) <- basename(filelist)
data_list <- ldply(filelist, read.table, header=T, comment=";", fill=T)

Hadley

Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/