[R] How to load load multiple text files and order by id

From: Richard Green <greener_at_uw.edu>
Date: Sat, 05 Mar 2011 18:39:16 -0800


Hello R users,
I am fairly new to R and was hoping you could point me in the right direction I have a set of text files (36). Each file has only two columns (id and count) , I am trying to figure out a way to load all the files together and

then have them ordered by id into a matrix data frame. For example

If each txt file has :
ID count
id_00002 20
id_00003 3

A Merged File:

ID           count_file1 count_file2 count_file3 count_file4
id_00002 20         8              12               5             19 26
id_00003 3 0 2 0 0 0
id_00004 75 84 241 149 271 257

Is there a relatively simply way to do that in R? I was trying with <- read.table
and then <- cbind but that does not appear to be working. Any suggestions folks have are appreciated.
Thanks
-Rich

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