[R] On Reproducible Code
dwinsemius at comcast.net
Thu Jul 26 02:01:05 CEST 2012
On Jul 25, 2012, at 8:50 AM, David L Carlson wrote:
> We often refer requesters to the Posting Guide and chide them for not
> reading it. Recently I had occasion to re-read the Posting Guide
> which is
> for all R lists not just R-help. The word "reproducible" does not
> anywhere in the guide. The closest it comes is the following
> "Sometimes it helps to provide a small example that someone can
> Recommendations to use the function dput() to provide sample data do
> appear in the guide.
The absence of dput from the PG is a bit surprisong, but an equivalent
bit of advice does appear:
"When providing examples, it is best to give an R command that
constructs the data, as in the matrix() expression above. For more
complicated data structures, dump("x", file=stdout()) will print an
expression that will recreate the object x. "
> The bottom of messages to R-help does contain the statement you've
> all seen,
> but I had assumed it summarized advice found elsewhere since first
> posters may not see the message until after they have posted.
> "PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html and provide commented,
> self-contained, reproducible code."
> The Mailing Lists page describes R-help but refers only to the
> posting guide
> http://www.r-project.org/mail.html and does not include this advisory
> The R-help Info Page also refers only to the posting guide
> https://stat.ethz.ch/mailman/listinfo/r-help and does not include this
> advisory statement.
> I hesitate to sound too optimistic, but there might be some
> advantage in
> making the statement more prominent and adding a reproducible
> example using
> David L Carlson
> Associate Professor of Anthropology
> Texas A&M University
> College Station, TX 77843-4352
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
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