topic Error when trying to use r libraries on Jupyter notebook in Developers Questions

Error when trying to use r libraries on Jupyter notebook

ShiloShiff — Thu, 17 Dec 2020 07:21:25 GMT

Hi,

I'm trying to run a Jupyter notebook that uses r libraries. this is the error message:

<module>
     14 import itertools
     15 from datetime import datetime
---> 16 import rpy2.rinterface as rinterface
     17 import rpy2.rlike.container as rlc
     18 

~\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone\lib\site-packages\rpy2\rinterface\__init__.py in <module>
     44 
     45 if sys.platform == 'win32':
---> 46     _load_r_dll(R_HOME)
     47 
     48 # cleanup the namespace

~\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone\lib\site-packages\rpy2\rinterface\__init__.py in _load_r_dll(r_home)
     28     if r_bin not in os.environ.get('PATH'):
     29         os.environ['PATH'] = ';'.join((os.environ.get('PATH'), r_bin, r_mod))
---> 30     ctypes.CDLL(r_dll)
     31 
     32 R_HOME = get_r_home()

~\AppData\Local\ESRI\conda\envs\arcgispro-py3-clone\lib\ctypes\__init__.py in __init__(self, name, mode, handle, use_errno, use_last_error)
    346 
    347         if handle is None:
--> 348             self._handle = _dlopen(self._name, mode)
    349         else:
    350             self._handle = handle

OSError: [WinError 127] The specified procedure could not be found

I also tried to open R notebook through Jupyter Lab, but all I have there is a python notebook.

Re: Error when trying to use r libraries on Jupyter notebook

DanPatterson — Thu, 17 Dec 2020 13:16:17 GMT

Is it set up for r?

R — ArcGIS (esri.com)

R-ArcGIS Bridge | Spatial Analysis in R & GIS for Spatiotemporal Data (esri.com)

Re: Error when trying to use r libraries on Jupyter notebook

ShiloShiff — Wed, 23 Dec 2020 08:33:11 GMT

Thank you Dan, I followed the instructions in your links without any result, then I started from scratch in a different machine (with r 4.0.0 instead of 4.0.3) and it works. I just followed these steps:

Install R (CRAN).
Set up R-ArcGIS Bridge using the geoprocessing tab in the Options dialog box.
Install the package space-time-learn-lesson using the Python Package Manager in Pro.