Can you please give us the source code, or can you put it in our Wiki at rcom.univie.ac.at?
Biresh Giri wrote: > Qiao > > I would like to see the source code as well. Could you please forward to > [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > > Thanks > Biresh > > On Tue, Dec 2, 2008 at 6:43 AM, Qiao Hui-jie <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > hi Alex: > > I have made a project written by c#. It can run R in a winform. I have > mapped most of the basic objects in R to c# objects. May be it a > valuable > project for you. > > It's pity that a have no enought time to finish it. But i can > provide all > the source code to you. > > Give me an email address if you want this. > > Best regards > > Qiao Huijie > Institute of Zoology, Chinese Academy of Sciences > 2008-12-2 > > -----Original Message----- > From: [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > [mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>] On Behalf Of Alex Park > Sent: Monday, December 01, 2008 1:59 AM > To: rcom-l@mailman.csd.univie.ac.at > <mailto:rcom-l@mailman.csd.univie.ac.at> > Subject: [Rcom-l] Advice on using .NET with R(COM) > > Hello > > I would like to get some simple advice on building a .NET > application that > uses R for statistical calculations and displays charts using R > graphical > packages. Please understand that I am a neophyte programmer and > maybe behind > the curve on a number of programming issues... > > I am most familiar with Visual Basic and my intention is to make a > desktop > application. I have a lot of time series data (financial market > data) and my > intention is to place it all in a database and use ADO.Net to > retrieve data > and then manipulate in R (stats, create data tables, produce charts) and > then display in my VB.NET <http://vb.net/> application front end. > > As an example, I may want my application to be able to display the % > return > of all global equity markets in the past week, and to show this as a > data > table that is accompanied by a simple bar chart that is sorted by best > performing index first. > > Before I start writing any code for this I had a handful of questions: > > 1) Is using Visual Basic the best choice or are there significant > advantages > of using C# or C++ within .NET? For example, are there performance > advantages of using C++ over VB when it comes to processing large > amounts of > data, and especially if there are lots of loops involved etc? What > do people > think? > > 2) In my mind, I was thinking that I could place my data in the database > that comes with .NET, use ADO to retrieve the data I required, and > then pass > this to R to get the desired output. I am wondering though whether > it would > be better to build lots or routines in R and let them call the data > from the > directly from the database i.e. I just use VB front end to execute > pre-configured routine in R which will automatically use SQL > functionality > to retrieve the required data? Again, any thoughts on this? > > 3) I have managed to poke around the internet (R.org, Nabble etc.) > and have > managed to get together some introductory papers on using R(COM) > with .NET. > Is there an 'official' guide that I am missing or can anybody point > to any > useful sources that might help me get started? > > I appreciate any time anybody can spare to give me some help. Before > I get > started I want to avoid going down a blind alley and am more than > prepared > to have to upskill significantly (e.g. gain a better grasp of C++) > if that > will give enable me to build much better applications in terms of > functionality and performance. I just want some advice before I > invest in > some books and get cracking. > > Thanks again > > Alex > > > _______________________________________________ > Rcom-l mailing list > Rcom-l@mailman.csd.univie.ac.at <mailto:Rcom-l@mailman.csd.univie.ac.at> > http://mailman.csd.univie.ac.at/mailman/listinfo/rcom-l > More information (including a Wiki) at http://rcom.univie.ac.at > <http://rcom.univie.ac.at/> > > > _______________________________________________ > Rcom-l mailing list > Rcom-l@mailman.csd.univie.ac.at <mailto:Rcom-l@mailman.csd.univie.ac.at> > http://mailman.csd.univie.ac.at/mailman/listinfo/rcom-l > More information (including a Wiki) at http://rcom.univie.ac.at > <http://rcom.univie.ac.at/> > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Rcom-l mailing list > Rcom-l@mailman.csd.univie.ac.at > http://mailman.csd.univie.ac.at/mailman/listinfo/rcom-l > More information (including a Wiki) at http://rcom.univie.ac.at -- Erich Neuwirth, University of Vienna Faculty of Computer Science Computer Supported Didactics Working Group Visit our SunSITE at http://sunsite.univie.ac.at Phone: +43-1-4277-39464 Fax: +43-1-4277-39459 _______________________________________________ Rcom-l mailing list Rcom-l@mailman.csd.univie.ac.at http://mailman.csd.univie.ac.at/mailman/listinfo/rcom-l More information (including a Wiki) at http://rcom.univie.ac.at
