Cannot read property 'data' of undefined

[nikkatalnikov]

This simple code

var R = require("r-script");
var fs = require("fs");

var data = fs.readFileSync('r_code/sample.xlsx')
var out = R("r_code/sample.R")
  .data(data, 20)
  .callSync();
  
console.log(out);

leads to the following error

TypeError: Cannot read property 'data' of undefined
    at Object.<anonymous> (/Users/**/Desktop/**/**/r/index.js:9:3)
    at Module._compile (module.js:660:30)
    at Object.Module._extensions..js (module.js:671:10)
    at Module.load (module.js:573:32)
    at tryModuleLoad (module.js:513:12)
    at Function.Module._load (module.js:505:3)
    at Function.Module.runMain (module.js:701:10)
    at startup (bootstrap_node.js:194:16)
    at bootstrap_node.js:618:3

what am i doing wrong?

[Khamurdik]

This bug can be solved with this pull request: #20

[MarkusKonk]

Hi,
I installed Rscript using your fork @Khamurdik as I had the same issue. However, now I get the following error. Do you not this issue? It occurs if I run an R script using .call

[garvk]

pulling the #20 request, corrected the error. Thanks a lot!

---

Hello,

I am having the same issue, has the issue been solved?

'r-script' package is running fine for me in one project, however, when i create the same project for a new user it gives me the error : "TypeError: Cannot read property 'data' of undefined".

Is there a particular way how 'needs' package (on R) is to be installed and used for correct connection between nodejs and R ?
Please, help!

[MarkusKonk]

Btw: I am geeting the error if I use this code from your example folder:

#!/usr/bin/env node
var R = require("r-script");
// async
var attitude = JSON.parse(
  require("fs").readFileSync("attitude.json", "utf8"));
R("ex-async.R")
  .data({df: attitude, nGroups: 3, fxn: "mean" })
  .call(function(err, d) {
    if (err) throw err;
    console.log(d);
  });

[Codypinto23]

@Khamurdik and @MarkusKonk , I am also pulling the #20 request and receiving error:

TypeError: Incorrect value of args option
child_process.js:389
    at normalizeSpawnArguments (child_process.js:389:11)
    at Object.exports.spawn (child_process.js:496:38)
    at R.call (c:\Users\user\React\ExpressTest\express-test\node_modules\r-script\index.js:35:29)
    at executeBound (c:\Users\user\React\ExpressTest\express-test\node_modules\underscore\underscore.js:758:67)
    at R.<anonymous> (c:\Users\user\React\ExpressTest\express-test\node_modules\underscore\underscore.js:771:14)
    at R.call (c:\Users\user\React\ExpressTest\express-test\node_modules\underscore\underscore.js:122:29)

[MarkusKonk]

I created a very minimal working example which only runs the R file (and writes the out.Rout file) but does not pass data. For my purpose this was sufficient. Maybe it helps you: https://github.com/MarkusKonk/r-script

[Khamurdik]

Hi, i have modified a lot in my fork of that project with intentions to run R code in Google Cloud Function. I have failed to do this and now my fork ('master' branch) is a complete mess. Sorry. if you really need that code you can try to use 'fix_bindAll' branch only. 2018-05-23 15:56 GMT+03:00 Markus <notifications@github.com>:

…

Hi, I installed Rscript using your fork @Khamurdik <https://github.com/Khamurdik> as I had the same issue. However, now I get the following error. Do you not this issue? It occurs if I run an R script using .call [image: error] <https://user-images.githubusercontent.com/2863409/40425561-05e44210-5e99-11e8-8902-a05bdff70a19.jpg> — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#19 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AKxxx9y30uiS2dUsckVGOAQdP-MT83enks5t1VxhgaJpZM4T04Qq> .

[Codypinto23]

Looks like pulling the 'fix_bindAll' branch did the trick for me! I'm no longer getting that error. Thanks so much for the help!