[R] Writing out data

[Paul Hiemstra]

On 02/02/2012 11:40 AM, Thomas wrote:
> What is the best way to write out comma separated data, as a program
> is running (rather than waiting to the end using write.csv)? At the
> moment I'm doing this, but I guess it's not the most efficient. The
> data is in a column in the matrix postcount, and I'm using a loop to
> write out each of the 100 elements.
>
> for (j in 1:100)
> {
> cat(postcount[1,j], ",", file=filename, append=TRUE)
> }
> cat("\n", file=filename, append=TRUE)
>
>
> Thank you!
>
> Thomas
>
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Hi,

write.csv also supports an append argument. Maybe that is faster than
using cat.

cheers,
Paul

-- 
Paul Hiemstra, Ph.D.
Global Climate Division
Royal Netherlands Meteorological Institute (KNMI)
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