>This said, if I understand the OP's message, the issue was in finding >Rscript in MS Windows.
looking at the original report: ------------------- [...] Running R now. Following output is R output. Traceback (most recent call last): File "C:\Users\haarlooj\AppData\Roaming\GRASS7\addons/scri pts/v.class.mlR.py", line 633, in <module> main() File "C:\Users\haarlooj\AppData\Roaming\GRASS7\addons/scri pts/v.class.mlR.py", line 570, in main subprocess.check_call(['Rscript', r_commands], stderr=subprocess.STDOUT, ) File "C:\Program Files\GRASS GIS 7.4.0\Python27\lib\subprocess.py", line 537, in check_call retcode = call(*popenargs, **kwargs) File "C:\Program Files\GRASS GIS 7.4.0\Python27\lib\subprocess.py", line 524, in call return Popen(*popenargs, **kwargs).wait() File "C:\Program Files\GRASS GIS 7.4.0\Python27\lib\subprocess.py", line 711, in __init__ errread, errwrite) File "C:\Program Files\GRASS GIS 7.4.0\Python27\lib\subprocess.py", line 948, in _execute_child startupinfo) WindowsError: [Error 2] The system cannot find the file specified ------------------- yes, it seems it's the issue finding the Rscript. >Do you have any recommendation on this ? the tempfile and the path to it has to be properly build, acknowledging to operating system characteristics; and, as in this case, considering the peculiarity of involved 3rd party software. e.g. # path in windows D:\temp\vclassr vs. # path in R in windows D:/temp/vclassr but don't be confused [1] [2], windows operating system also understands D:/temp/vclassr, e.g. you can cd in the command line or open it in the windows explorer ;-D ... [1] https://bytes.com/topic/python/answers/23123-when-did-windows-start-accepting-forward-slash-path-separator [2] https://www.howtogeek.com/181774/why-windows-uses-backslashes-and-everything-else-uses-forward-slashes/ ----- best regards Helmut -- Sent from: http://osgeo-org.1560.x6.nabble.com/Grass-Users-f3884509.html _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user