[R] What made us so popular Nov 16-20?

paul sorenson sourceforge at metrak.com
Sat Dec 3 21:59:45 CET 2005

I had too much time on my hands on a sunday morning:

For the hell of it I grepped my r-help date headers for the last month 
or two.  I was looking for some corresponding increase in r-help traffic.

The data is:

The traffic looks something like:

I didn't take into account time zones for the plot (but I did plot the 
histogram of them).


Duncan Murdoch wrote:
> Our main US mirror is cran.mirrors.pair.com, AKA cran.us.r-project.org. 
>   Pair.com keeps statistics on traffic on the mirror sites, and I got 
> all excited when I looked at this page:
> http://mirrors.pair.com/pair/stats.html
> and saw that CRAN was 5th most popular over the last month, getting more 
> visitors than Apache, MySQL, OpenOffice, etc.  Then I looked at this graph:
> http://mirrors.pair.com/freebsd/stats/cran-ip.png
> and saw that this is likely due to a huge spike in traffic between Nov 
> 16 and 20.  Our "visitors" (not sure of the exact definition) went from 
> the usual  <10K/day up to 50-150K/day during that week.
> Did we get mentioned somewhere (e.g. Slashdot), or was someone just 
> experimenting with some automated downloading?
> Duncan Murdoch
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