[R] Excluding/removing row and column names on text output files

[Julian Burgos]

Hi Steve,

You can use write.table:

write.table(x, file="/Users/Desktop/Data.txt", 
sep="",row.names=F,col.names=F)

Cheers,

Julian


Stropharia wrote:
> Dear R users,
>
> I've had no joy finding a solution to this online or in any of my R books.
> Many thanks in advance for any help you can give.
>
> I'm seeking to output a data frame (or matrix - it doesn't matter which for
> my purposes) to a .txt file, but omit any row or column names. The data
> frame that I'm using doesn't actually have column or row names to start with
> as it has been coerced into its present form from a matrix. When I use:
>
> capture.output(x, file="/Users/Desktop/Data.txt", append=TRUE)
>
> I get the following (this is a small fraction of the actual data frame):
>
>     1 2 3 4 5 
> X1 0 0 0 0 2 
> X2 0 0 0 2 0 
> X3 1 1 2 0 0
>
> If the data frame is transformed into a matrix, I still get row and column
> 'names' (or at least numbers like "v1," etc.). Using the "sink" function
> also produces the exact same result. I've tried using "row.names=FALSE" (as
> you would when writing to a .csv file), in the "capture.output" function,
> but it doesn't work.
>
> I would also like the remove the horizontal spaces between numbers on the
> same row, to produce:
>
> 00002 
> 00020 
> 11200
>
> But, I want each row to remain a separate entity (not be concatenated with
> the others). I know I can remove the blank spaces by doing Find and Replace
> in a text editor, but is it possible to remove the row and column names, and
> the row spaces, directly in R so that it outputs like the above example?
>
> Thanks,
>
> Steve
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Steven Worthington
> Ph.D. Candidate
> New York Consortium in
> Evolutionary Primatology &
> Department of Anthropology
> New York University
> 25 Waverly Place
> New York, NY 10003
> U.S.A.
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   

-- 
Julian M. Burgos

Fisheries Acoustics Research Lab
School of Aquatic and Fishery Science
University of Washington

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Seattle, WA  98105 

Phone: 206-221-6864