Dear sirs
I would like to try luatex lunatic (
http://wiki.contextgarden.net/User:Luigi.scarso/luatex_lunatic) but i d'ont
find the luatex-0.42. I'm looking in
https://foundry.supelec.fr/frs/?group_id=10&release_id=406#luatex-beta-0.76.0-title-content

I've been looking for a way to simulate data with different distributions
(normal, poisson, exponential, etc.) in the .tex file. The use of GSL
library is a good option, but it seems impossible to import in luatex.
Another way is using the  R-statistical through filter module***, which
seems to work well in luatex. At this time I would try to import the GSL
functions through  python script. For that i think that i need the older
luatex 0.42 but I don't find that.

***
\defineexternalfilter
  [R]
  [
     filtercommand={R CMD BATCH -q --save --restore
\externalfilterinputfile\space \externalfilteroutputfile},
     output=\externalfilterbasefile.out,
     directory=output,
     readcommand=\typefile,
     read=no,
     cache=yes,
   ]


Jorge