Mike Leahy a écrit :
Hey all,
I'm just wondering if this thread should move back to the plr-general
list. In particular, I think it would be good if Joe is able to add a
link to the installer on the PL/R web page. I just tried the installer,
and it works great - nice work David.
I did notice, however, that it claims to be installing PgRouting in the
welcome screen, and it appears as PgRouting in the Windows uninstall
list.
Well I did the installer, last Saturday night and I was hurry.
You know when you haven't slept all a night, you don't see errors
thanks.
Also, I think more than is needed is being added to the Path
variable. In my case, this is what gets added after the installer is done:
"\;C:\Program Files\R\R-2.5.0\bin;C:\Program
Files\PostgreSQL\8.2\bin;C:\Program Files\PostgreSQL\8.2\lib"
I reduced it to
\;C:\Program Files\R\R-2.5.0\bin
When I had installed PL/R manually, I seemed to be able to get away with
adding just ";C:\Program Files\R\R-2.5.0\bin".
Yes it is, you're right. But if you use a function like
select load_r_typenames();
pl/r needs to know what it you R_HOME environment variable.
Also, if I happen to
re-install PL/R, the entire string above will appear multiple times in
the Path variable. Is it possible for the installer to check for that?
I've only been able to detect if R directory is present in PATH variable
for the moment!
Not able to remove it for the moment from a previous install
If you want, my Inno Setup script is available at
http://www.davidgis.fr/download/plr-8.2.0.4-win32-src.zip
If someone is used here to using Inno SetUp, no problem to improve it.
Regards,
Mike
TECHER David wrote:
Hi Regina,
Many thanks for these interesting link! Very excellent!
I will wait for the next series of your articles!
--david;
Obe, Regina a écrit :
Since Dave was doing his part, I figured I would help out the cause a
little. R is pretty new to me too but looks like it could be very useful.
I drafted up a quick getting started and included David's link in there.
http://www.bostongis.com/PrinterFriendly.aspx?content_name=postgresql_plr_tut01
Let me know any parts that seem unclear or where I went wrong. The
steps seemed to work for me.
Thanks,
Regina
------------------------------------------------------------------------
*From:* [EMAIL PROTECTED] on behalf of
TECHER David
*Sent:* Sun 6/17/2007 2:53 AM
*To:* PostGIS Users Discussion
*Subject:* Re: [postgis-users] Combined Windows version of PostGIS/P-LR
Dear Jan,
I begun to use PL/R. As you know, I'm not a expert in R
Compiling with PostgreSQL 8.2.4 on win32 ...no problem!
These release is available at
http://www.davidgis.fr/download/plr-8.2.0.4_0_win32.exe
I've tryed to see here if
first R 2.5.0 is available on the computer where you want to install it.
else it stop!
The installer updates the R_HOME environment variable
and update the PATH in order to adding 'R_HOME'/bin directory
Let me know if it works for you
createdb testR
psql -d testR -f / "path/to/your/postgresql/dir"/share/contrib/plr.sql
psql testR
select load_r_modules();
select * from plr_environ();
and so on
--david;
Jan Hartmann a écrit :
I agree. A separate installer for PL/R would be the first thing to
create. Am I right that that would not be very difficult? After that,
though, I would very much like to have a *combined* version, with PL/R
and PostGIS both enabled. I am not sure how difficult that would be,
but, as I said, it would be a marvelous example of Open Source
software cooperation. The additional packages Mike mentioned don't
have to be installed prior to installing PL/R; you can install them in
the regular way in R (R INSTALL), and an existing PostgreSQL database
with PL/R will recognise them after a restart.
BTW: deldir was a major reason for me to experimnt with a combined
version: the power of voronoi diagrams in a PostGIS database!
Jan
Mike Leahy wrote:
David/Jan:
Although PostGIS and PL/R can be complimentary tools, I think a
separate
installer (for now at least) would make the most sense for PL/R. At
least that way there is still the option for other users to install
PL/R
without PostGIS, and vice-versa.
At the same time, however, I can see how a including PL/R as an option
in the PostGIS installer could be useful - particularly if a set of
pre-defined functions were included with the setup that made use of
PL/R
for spatial statistical operations within PostGIS. But this might
get a
bit complicated, considering the requirements involved (e.g., having R
installed, as well as packages installed in R - such as deldir for
making voronoi polygons).
Mike
TECHER David wrote:
Hi Jan,
Before I made a mistake, all you want is only a win32-installer for
PL/R?
because I think you know that's postgis win32-installer already
exist?
See http://www.postgis.org/download/windows/
--david;
Jan Hartmann a écrit :
Hi folks (sorry for crossposting),
Joe Conway just announced that PL/R will soon be available for
Windows. See the thread starting at:
http://gborg.postgresql.org/pipermail/plr-general/2007-June/000235.html
PL/R is an implementation of the statistical package R within
PostgreSQL. See:
http://www.joeconway.com/plr/
http://www.r-project.org <http://www.r-project.org/>
It's installed the same way as postGIS, but until now only a Linux
version was available. I have them both enabled on my server at SARA
computing center, and the functionality is unbelievable. My own
organisation, however, doesn't allow me to install Linux servers,
and
even if they did, neither staff nor students would be willing or
even
able to work with them. I guess this is not a unique situation, so
this Windows port is really important. Moreover, a PostgreSQl
implementation with full GIS and statistical functionality is
something that doesn't exist in the commercial world as far as I
know.
An easy installable Windows version would IMO really be a showpiece
for Open Source software. I would really appreciate if people in the
know on both these lists would put their heads together to implement
this. I don't really know much about Windows installers, but my
feeling is that it is not enormously difficult.
Regards,
Jan Hartmann
Dr. J. Hartmann
Department of Geography
University of Amsterdam
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