R-project integration (provides client to connect to remote Rserve server)

[djun-kim]

This introduces a new macro library (macros/RserveClient.pl) and makes a few minor changes to Translator.pm (whitespace, spelling)

[aubreyja]

Hi Djun,

This looks great! I tried this and ran into two small issues. After adding Statistics::RserveClient to $pg{modules} in defaults.config and trying the example in the documentation I first got an error message indicating that I needed Data::Dumper.

Can't locate object method "Dump" via package "Data::Dumper"

I think anything that is used in a pg module has to also be listed in $pg{modules}. So, I added Data::Dumper to $pg{modules}. This worked except that I got a warning message:

defined(@array) is deprecated at .../Statistics/RserveClient/Parser.pm line 766.

Starting with perl 5.16 defined(@array) is deprecated for testing if an array has elements.

Great work!

Jason

[djun-kim]

Hi Jason,

 Thanks for looking at this.

 Data::Dumper is used only for dumping debug messages; it's not really needed otherwise.  Perhaps I should remove all of those dependencies to another module which doesn't need to be there for production use.  Hmm….

Thanks for finding the issue with defined(). I was pleasantly surprised to find that at least one other person has downloaded the CPAN and used it, filed an issue and submitted a bug fix for this! I'll push his changes to CPAN, hopefully later today.

I'll put together a few additional examples and post them somewhere for people to try out.

Thanks again! Djun

On 2013-02-08, at 11:44 AM, Jason Aubrey wrote:

Hi Djun,

This looks great! I tried this and ran into two small issues. After adding Statistics::RserveClient to $pg{modules} in defaults.config and trying the example in the documentation I first got an error message indicating that I needed Data::Dumper.

Can't locate object method "Dump" via package "Data::Dumper"
I think anything that is used in a pg module has to also be listed in $pg{modules}. So, I added Data::Dumper to $pg{modules}. This worked except that I got a warning message:

defined(@array) is deprecated at .../Statistics/RserveClient/Parser.pm line 766.
Starting with perl 5.16 defined(@array) is deprecated for testing if an array has elements.

Great work!

Jason

—
Reply to this email directly or view it on GitHub..

[mgage]

Hi Djun,

Do you want me to pull this request? or wait until you make changes?

[jasongrout]

I'm really curious how this might be related to @aubreyja's work on the sage cell server plugin (which I'd love to start using :).

[djun-kim]

Hi Jason (et al.)

 The two projects are very similar in approach.  @aubreyja's AskSage work is probably more general, in that Sage incorporates R, so anything my Rserve client can do, Sage can probably do as well.

 Here's what I like about my Rserve approach

   * requires only R (and the Rserve package) 
   * R can be installed on a local or remote server
   * Rserve is active, well-maintained, robust
   * speaks "pure R"
   * returns R results as perl data structures
   * easily handles binary data (e.g. for image generation)

Djun

On 2013-02-19, at 11:25 AM, Jason Grout wrote:

I'm really curious how this might be related to @aubreyja's work on the sage cell server plugin (which I'd love to start using :).

—
Reply to this email directly or view it on GitHub.