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I have an asp.net app where I am using R.NET. Everything works fine until I load a package using 

library()

The web app of course runs in IIS and I get this error

Error: package or namespace load failed for 'lattice'".

Though it loads and works perfectly fine in Rstudio.

Its some problem of R.NET not working with IIS.

I have been searching around and it has been marked as a Known Issue on https://rdotnet.codeplex.com/. I was wondering if any one has found a workaround for this error.

I went through https://github.com/jmp75/rdotnet/issues/9 but it did not work for me.

Sarmad
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1 Answers1

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The documentation page http://rdotnet.github.io/rdotnet/ts_asp_dot_net/ describes a problem very similar to yours. Can you read it, and its companion page http://rdotnet.github.io/rdotnet/tut_asp_dot_net/, and report here if this solves your issue? (for future reference by other readers)

Juha Palomäki
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j-m
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    Thanks, that answered my question. All I had to do was to add the path "C:\Program Files\R\R-3.1.2\bin\x64" to my System variables. – Sarmad Sep 28 '15 at 10:58
  • Still not working for me. If I type engine.Evaluate(".libPaths()").AsCharacter() it returns the library folder that my library is in. Any idea why it still won't load? – MIKE Nov 23 '15 at 23:51
  • @MIKE...If you have not yet solved your issue - when you add a path to env variables so it broadcasts a WM_SETTINGSCHANGE message to all top-level windows and if you want to use that path value so you have to restart your application first in order for it to get the new path value. – Sarmad Mar 04 '16 at 05:21