On Thu, 20 Aug 2009, Ottorino-Luca Pantani wrote:
Rakknar ha scritto:
1. Make a log. I've been using Stata and there i have a great tool to
register what the program do: the log file, wich it's a simple .txt file
where Stata writes every output it makes (not graphics of course). When I
wanted to make the same thing with R I started to use the function sink()
but it only register the results of the commands (summaries for example) and
not the commands itself, witch it's really uncomfortable because it's harder
to find out to witch command that results come from.
A possible workaround could be:
sink("ouputfile.txt")
as.character("rnorm(5, mean = 0, sd = 1)")
rnorm(5, mean = 0, sd = 1)
sink()
I know, it is not elegant, and a bit repetitive, but it could help.
This is why sink() has the split=TRUE option, which logs output to a connection
and sends it to the screen.
The R
sink("analysis.log",split=TRUE)
is almost identical to the Stata
log using analysis.log
with sink() to close the log and flush to disk at the end of the session.
-thomas
Thomas Lumley Assoc. Professor, Biostatistics
tlum...@u.washington.edu University of Washington, Seattle
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