XRJulia's `juliaEVal` doesn't seem to work on Windows

[xiaodaigh]

library(XRJulia)
findJulia(test = TRUE)

The above works fine and returns the path to Julia.

When I run the below it just hangs and doesn't return.

regjl <- juliaEval("
  function reg(x,y)
    n=size(x,1)
    xreg=hcat(ones(size(x)[1],1),x)
    k=size(xreg,2)
    p1=((xreg'xreg)^(-1))
    b=p1*xreg'y
    r=y-xreg*b
    sig=(r'r)/(n-k)
    vmat=sig[1]*p1
    sigb=sqrt(diag(vmat))
    t=b./sigb

    return (b,t)
  end
")

Below is my session info and I am using JuliaPro 0.6.0.1

R version 3.4.1 (2017-06-30)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1

Matrix products: default

locale:
[1] LC_COLLATE=English_Australia.1252 
[2] LC_CTYPE=English_Australia.1252   
[3] LC_MONETARY=English_Australia.1252
[4] LC_NUMERIC=C                      
[5] LC_TIME=English_Australia.1252    

attached base packages:
[1] stats     graphics 
[3] grDevices utils    
[5] datasets  methods  
[7] base     

other attached packages:
[1] XRJulia_0.7         
[2] RevoUtilsMath_10.0.0
[3] RevoUtils_10.0.5    
[4] RevoMods_11.0.0     
[5] MicrosoftML_1.5.0   
[6] mrsdeploy_1.1.2     
[7] RevoScaleR_9.2.1    
[8] lattice_0.20-35     
[9] rpart_4.1-11        

loaded via a namespace (and not attached):
 [1] codetools_0.2-15      
 [2] CompatibilityAPI_1.1.0
 [3] foreach_1.4.4         
 [4] grid_3.4.1            
 [5] R6_2.2.0              
 [6] jsonlite_1.4          
 [7] curl_2.6              
 [8] iterators_1.0.8       
 [9] tools_3.4.1           
[10] yaml_2.1.14           
[11] compiler_3.4.1        
[12] XR_0.7                
[13] mrupdate_1.0.1       

[johnmchambers]

I don't have access to a Windows version, and your example "works" on Mac OS.

The example is unlikely to be what you wanted to do, since it only defines a function in Julia without giving you any R proxy function to call it. Is that really what you tested?

Testing your example by juliaEval("%s(%s,%s)", regjl, x, y,.get=TRUE) where x and y were R numeric vectors returned something at least of a reasonable structure.

Without further information, I'll close this after a while.

[vh-d]

xiaodaigh, can you try juliaEval("1+1") and wait at least 1 minute to test the connection between Julia and R?

Are you running RStudio or plain R?

[xiaodaigh]

Try the below in Rstudio. The code just hangs there in the REPL and doesn't return anything. Also findJulia(test =TRUE) returns true.

library(XRJulia)
findJulia(test = TRUE)
juliaEval("2+2")

[vh-d]

I can't reproduce this behavior on XRJulia 0.76 / R 3.4.3 / RStudio 1.1.393 / Julia 0.6.1 / Windows 7 64-bit

Are you behind some kind of firewall or antivirus that may be blocking socket connections between processes?

You can try

library(XRJulia)
RJulia(verbose = TRUE)

Unfortunately, there is a bug in RStudio for Windows which causes you don't see std. output / error messages of processes started by system() or system2() in RStudio console (I reported it months ago). So if you get some error messages from Julia, you can't see it.

[xiaodaigh]

Ok. I tested it again on home computer it works.

On work computer it's got enterpise virus scans and firewall so am not sure how to diagnose that? Hopefully I can try with RJulia(verbose = T) and see how things go.

On Wed, Dec 20, 2017 at 8:59 PM, Václav Hausenblas <notifications@github.com

wrote:

I can't reproduce this behavior on XRJulia 0.76 / R 3.4.3 / RStudio 1.1.393 / Julia 0.6.1 / Windows 7 64-bit

Are you behind some kind of firewall or antivirus that may be blocking socket connections between processes?

You can try

library(XRJulia) RJulia(verbose = TRUE)

Unfortunately, there is a bug in RStudio for Windows which causes you don't see std. output / error messages of processes started by system() or system2() in RStudio console (I reported it months ago). So if you get some error messages from Julia, you can't see it.

— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub https://github.com/johnmchambers/XRJulia/issues/8#issuecomment-353019142, or mute the thread https://github.com/notifications/unsubscribe-auth/AESfJWp3mAh7ZrP4cdYGZo2vna1nJFT1ks5tCNp8gaJpZM4RCtQt .

-- ZJ

zhuojia.dai@gmail.com

[xiaodaigh]

It works on the computer at work now. Closing the issues!