Calling networkx in R

[Song April]

Hi,

Has anyone used networkx in R yet? I used library(reticulate) to call python packages in R and got it worked out with several packages such as numpy. 

But when I tried to import networkx from python, it returns:

Error in py_module_import(module, convert = convert) : 

  ImportError: No module named networkx

I wonder if I made a mistake or networkx is not able to be called to R.

Any suggestions would be highly appreciated.

[Dan Schult]

It sounds like R can't find the software. 

Did you install networkx in a way that R can find it (i.e. the same way you did to get numpy working)?

Any difference there?

[Song April]

thanks for your quick response. 

I believe so. I could use networkx the same way in python as I did with other packages like numpy.

Could not figure out where went wrong.

[Dan Schult]

Yes, there is nothing in networkx that would make this not work. 

It should work the same way as the other python packages.

Installing it in a way that R can find it is the key to making it work.

Sometimes you have more than one version of Python installed

and the one R calls isn't the one you installed networkx on.

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[Song April]

That makes sense to me. Any idea how to check that out?

[Dan Schult]

Sorry.... I've used R from Python but not the other way around.  Maybe someone else has an idea --

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[Song April]

No problem. Thanks for your help anyway.

[Song April]

I finally found the solution for this problem. Just in case anyone run into the same issue, this would be of help:

https://stackoverflow.com/questions/50145643/unable-to-change-python-path-in-reticulate-r