New Post: can't plot in a file
Hello, I need to plot a graph from R to file using c# on x86 machine (Visual Studio 2010). I tried to follow example from http://rdotnet.codeplex.com/discussions/353150 but file wasn't created. Here is...
View ArticleNew Post: Cannot access RODBC
I am trying to use RODBC under RDotNet in a VisualBasic.NET application. RDotNet works fine, but I am unable to use RODBC (to access a MS ACCESS database). I have tried lots of different solutions, but...
View ArticleNew Post: Cant source another R script
Just for testing purposes I'm simply doing the following:StringWriter sw = new StringWriter(); Console.SetOut(sw); try { return...
View ArticleNew Post: Cant source another R script
This is odd. Your code looks fine, and the following works for me as expected. engine.Evaluate("source(file.path('f:/tmp/test.R'))"); var a = engine.Evaluate("a").AsNumeric().ToArray(); While not a...
View ArticleNew Post: Cannot access RODBC
Hi, Unfamiliar with RODBC, but there is no reason why this would not work if it works in the R console (does it?). If there is a difference you could get more information by using quietly=FALSE which...
View ArticleNew Post: can't plot in a file
Works for me. I think you overlook something I noticed with R when writing graphics to files: the information is not written until you either call plot to write to another file (with Cairo drivers...
View ArticleNew Post: Evaluating user-defined functions; including libraries; displaying...
Works for me, using a version nearly identical to release 1.5. // setup with //var envPath = Environment.GetEnvironmentVariable("PATH"); //var rBinPath = @"F:\bin\R\bin\x64";...
View ArticleNew Post: Cant source another R script
Hi, Thanks for your reply. I found out what the problem was and thought it best to explain in case someone else has the same problem. I have 2 versions of R installed on my machine(2.14.1 and 2.9.0). I...
View ArticleNew Post: Could not load file or assembly 'R.NET' or one of its dependencies....
Well now I am getting Dll was not found. var envPath = Environment.GetEnvironmentVariable("PATH"); var rBinPath = @"C:\Program Files\R\R-2.15.2\bin\x64"; // path is correct...
View ArticleNew Post: Least Square Regression
How do I do this in r.net? mydata <- read.csv('GoodCarbsDesign.csv', header = TRUE) fit <- lm(rate ~...
View ArticleNew Post: Cannot access RODBC
RODBC works fine using the Console in R i386 2.15.2. The RODBC package is shown when I list packages using R.NET. I am developing in VB.Net and there are no messages (other than the ones I display)...
View ArticleNew Post: Cant source another R script
Thank you for sharing this; this is really useful and confirms the recurrent difficulties with R environment variriables depending on the platforms and user setups.
View ArticleNew Post: Least Square Regression
Anything? Maybe something like this:Matrix( var xdata = new Matrix( new double[,]{{1, 36, 66, 45, 32}, {1, 37, 68, 12, 2}, {1, 47, 64, 78, 34}, {1, 32, 53, 56, 32}, {1, 1, 101, 24, 90}}); var ydata =...
View ArticleNew Post: Safely cancel an evaluate
Hi again, I have my engine all up and running and am using it to execute pre-written R scripts. Sometimes these can take a while to run so I want to give the user a way to cancel this process. Is there...
View ArticleNew Post: Problem generating PNG graphics, sometimes
Hi, I am getting a strange problem that I am having trouble solving. My R.NET application is getting the following error plotting to a PNG file.Error in plot.xy(xy.coords(x, y), type = type, ...) :...
View ArticleNew Post: Safely cancel an evaluate
I am also interested in the answer to this question
View ArticleNew Post: Memory Corruption
I'm hitting R many times using C# and at some point, I get memory violation errors. I'm not sure if this is RDotNet or R's problem, but I just found out that R has its own garbage collector. By calling...
View ArticleCreated Issue: Cannot create multiple engine instances [37]
Hello,I get an SEHException when I try to create an engine instance the second time. I'm using R 2.15.3 and R.Net 1.4.0.0.I have implemented a wrapper that tests on startup if R is installed and if it...
View ArticleCommented Issue: Cannot create multiple engine instances [37]
Hello,I get an SEHException when I try to create an engine instance the second time. I'm using R 2.15.3 and R.Net 1.4.0.0.I have implemented a wrapper that tests on startup if R is installed and if it...
View ArticleNew Post: R.NET 1.5 cannot initialize engine
Hello, I started building a prototype with r.net 1.4 version where I hit a couple serious issues. Now I updated to 1.5 and included the R.NET projects (source code) in my solution to see where it stops...
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