[R] Rstudio crashed when I try to train a nnet model.

[Baki UNAL]

 Hi,
I tried to run the code in another computer in RGui. This time program run until final iteration. But after the last iteration RGui quit without any error code. I mailed this issue to Brian Ripley who is the maintainer of R nnet package. What can I do to solve this problem?
Best regardsBaki
    On Monday, March 22, 2021, 06:55:00 AM GMT+3, Jiefei Wang <szwjf08 using gmail.com> wrote:  
 
 Hi Baki,
This should be a different issue. It looks like there is no problem in the R terminal. Does the crash happen every time when you run the code in RStudio? If so, this should be a bug in RStudio and you need to consult RStudio's mailing list as R and RStudio are maintained by different teams.
Best,Jiefei
On Mon, Mar 22, 2021 at 12:57 AM Baki UNAL <bakiunal using yahoo.com> wrote:

 Hi Jiefei
I run the code below in RGui
> nn2 <- nnet(TQ~.,data = train, size=c(15,15), linout=T, MaxNWts =4000, maxit=2000)

But I got the following output:
# weights:  435initial  value 55650.887782 final  value 55650.887782 converged
Program early converged. Program didn't any calculations. 
Best,Baki
    On Sunday, March 21, 2021, 07:35:31 PM GMT+3, Jiefei Wang <szwjf08 using gmail.com> wrote:  
 
 Hi Baki,
Perhaps out of memory? Would you be able to run your code through the R terminal? It probably can give us more information to debug the issue. 
Best,Jiefei
On Mon, Mar 22, 2021 at 12:23 AM Baki UNAL via R-help <r-help using r-project.org> wrote:

Hi,
I tried to train a neural network with following code:
nn2 <- nnet(TQ~.,data = train, size=c(15,15), linout=T, MaxNWts =4000, maxit=2000)

When I executed the code R studio crashed with following error:
"R Session Aborted
R encountered a fatal error.
The session was terminated.
Start new session"
When I set the hidden layer as c(15) as below the code works fine.
nn2 <- nnet(TQ~.,data = train, size=c(15), linout=T, MaxNWts =4000, maxit=2000)

What could be the problem?

Best regards.


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