Commented Feature: Support usage of R.NET from multiple App Domains [92]
One problem that comes up for us quite a bit when using R.NET from the RProvider is that we need to load it into multiple appdomains simultaneously. The native R.DLL is obviously AppDomain agnostic,...
View ArticleNew Post: Making a dll using RDotnet.
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using System.Diagnostics; using RDotNet; using System.IO; //using Microsoft.Win32; using...
View ArticleClosed Issue: R.NET does not work with new release of R 3.0.3 [95]
I wrote some simple code in F# to test R.NET for R 3.0.2 and it works fine. When I upgrade my R to the newly release of 3.0.3, the same code does not work any more. I correctly specify the path where...
View ArticleCreated Unassigned: R.NET not running from Xamarin Studio 4.2.3 [101]
See https://rdotnet.codeplex.com/workitem/95:"However, it works with VS 2013 but does not work with Xamarin Studio 4.2.3, the code is exactly the same. Since Xamarin Studio 4.2.3 only supports x86, I...
View ArticleClosed Issue: Environment.SetSymbol not working as documented [93]
Environment.SetSymbol is documented as a method which "Defines a symbol in this environment." However, the underlying R function (Rf_SetVar) has this comment: Assign a new value to bound symbol. Note...
View ArticleEdited Feature: Cache the delegates for native R API functions [86]
There is a caching mechanism in place (23 Feb) , however it is not thread safe. the R engine is by and large not thread safe anyway, but this is no reason to add on top of it. Consider maybe T4 code...
View ArticleEdited Issue: Frequently calling R causes failure of RDotNet.ParseException...
I test RDotNet in F# by using RProvider.This is my F# code, which frequently fails for RDotNet.ParseException or sometimes System.AccessViolationException.My environment isWindows 8.1 Ultimate...
View ArticleEdited Unassigned: R.NET not running from Xamarin Studio 4.2.3 [101]
See https://rdotnet.codeplex.com/workitem/95:"However, it works with VS 2013 but does not work with Xamarin Studio 4.2.3, the code is exactly the same. Since Xamarin Studio 4.2.3 only supports x86, I...
View ArticleEdited Unassigned: Parse exception but only sometimes [100]
Hi I have simple code,that 1 for 10 request edns with this error, any gues why ? multithreads or sth else?it blows up in the first line >...
View ArticleCommented Unassigned: Parse exception but only sometimes [100]
Hi I have simple code,that 1 for 10 request edns with this error, any gues why ? multithreads or sth else?it blows up in the first line >...
View ArticleEdited Unassigned: Check Windows registry settings for R 2.x series [99]
Mentioned in a discussion that the CurrentVersion setting was not present.
View ArticleClosed Unassigned: Change documentation or code to promote Singleton pattern...
Many, many questions and issues are caused by people reinitializing the R engine several times. Make clear in documentation this is not possible (find a reference in the R documentation, ideally) and...
View ArticleEdited Issue: RDotNet.Closure.Invoke() throws exception on generic functions...
Error message is ```Error in <bytecode> : generic 'function' is not a functionUnhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object at...
View ArticleNew Post: Cleaning up between requests
Hi, I want to use R.Net to handle requests from different users. I know that R.Net does not support concurrency and this is ok for my scenario. I will serialize the requests and execute them one by...
View ArticleNew Post: Creating DataFrame In Memory
Hi, I have a .NET class with tabular data. I want to convert it to a DataFrame, so that I can pass it in to R. I noticed that there is no public CTor on the DataFrame class and I wasn't able to find a...
View ArticleSource code checked in, #108d1fbb9e4a
Fix unit test call on generic functions and functions with dotted pair lists https://rdotnet.codeplex.com/workitem/76
View ArticleEdited Issue: RDotNet.Closure.Invoke() throws exception on generic functions...
Error message is ```Error in <bytecode> : generic 'function' is not a functionUnhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object at...
View ArticleCommented Issue: RDotNet.Closure.Invoke() throws exception on generic...
Error message is ```Error in <bytecode> : generic 'function' is not a functionUnhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object at...
View ArticleNew Post: Creating DataFrame In Memory
If you are using R.NET 1.5.5 I think you can do the following (caveat: I did not run a test)REngine e; int[] yourIntegers; double[] yourDoubles; // etc. e.SetSymbol("a",...
View ArticleNew Post: Cleaning up between requests
For someone calling oneself a beginner with R, you sound like you have put quite a bit of thought and research already actually. I would not bet I understand environments much more than you do if at...
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