I was love this. Could you me the source code.
> From: [EMAIL PROTECTED]
> To: rcom-l@mailman.csd.univie.ac.at
> Subject: RE: [Rcom-l] Advice on using .NET with R(COM)
> Date: Tue, 2 Dec 2008 09:13:16 +0800
>
> 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 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
>
>
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