[R] read.delim2 regarding "#"

Sundar Dorai-Raj sundar.dorai-raj at pdf.com
Tue May 31 18:13:17 CEST 2005



Hai Lin wrote:
> Hello R experts:
> 
> When I tried to read my data into R, it does not take
> # sign 
> 
> A subset of Exp.txt is:
> Experiment name  assay id	Varname	
> (A1)DBA TPA 6h/DBA Acetone rep1(A1) #3	4090 	A90C1
> (A2)DBA TPA 6h/DBA Acetone rep2(A2) #3	4091 	A91C1	
> The command is:
> Exp <- read.delim2("Exp.txt",check.names=F,as.is=T)
> 
> It is excuted but gave me all the NAs. Can you all
> drop me a hint?
> 
> Thanks in advance.
> 
> Kevin


Please (re)read ?read.delim2. It is just a wrapper for read.table. The 
latter has an argument for comment.char. Maybe try:

Exp <- read.delim2("Exp.txt", check.names = FALSE,
                     as.is = TRUE, comment.char = "")

--sundar




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