Qiao I would like to see the source code as well. Could you please forward to [EMAIL PROTECTED]
Thanks Biresh On Tue, Dec 2, 2008 at 6:43 AM, Qiao Hui-jie <[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] On Behalf Of Alex Park > Sent: Monday, December 01, 2008 1:59 AM > To: 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 > http://mailman.csd.univie.ac.at/mailman/listinfo/rcom-l > More information (including a Wiki) 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 >
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