Sweave for "big" data analysis
My very simple approach is to check if the output file exists (within the Sweave file), and run the time-consuming bits only if it does not. As Uwe says, there are more sophisticated approaches too. Sarah
On Fri, Dec 31, 2010 at 3:35 PM, Lars Bishop <lars52r at gmail.com> wrote:
Hi,
Maybe I'm missing the point here...but let's suppose you are working with
"large" data sets and using functions that take a significant amount of time
to run in R. I woulnd't like to run these functions every time I call
Sweave("myfile.Rnw") within R. What is the "common" practice to use Sweave
in these situations. I would just run the function once, save the results
and only load them each time I run Sweave on the .Rnw file. Makes sense?
Sorry, the question seems silly, but I'd appreciate your thoughts.
Thanks,
Lars.
Sarah Goslee http://www.functionaldiversity.org