Thank you Helmut, R is not found: 'R' is not recognized as an internal or external command, operable program or batch file. Currently looking for information online about what to do.
I also installed the winGRASS 8.3 via/in OSGeo4W v2, but now there is also a problem with g.extension to add v.class.mlR. I tried it on my laptop and work computer. Same problem. -------- Exception in thread Thread-14 : Traceback (most recent call last): File "C:\OSGeo4W\apps\Python39\lib\threading.py", line 954, in _bootstrap_inner self.run() File "C:\OSGeo4W\apps\grass\grass83\gui\wxpython\core\gthr ead.py", line 154, in __run self.__run_backup() File "C:\OSGeo4W\apps\grass\grass83\gui\wxpython\core\gthr ead.py", line 117, in run ret = vars()["callable"](*args, **kwds) File "C:\OSGeo4W\apps\grass\grass83\gui\wxpython\modules\e xtensions.py", line 369, in Load raise GException(_("Unable to load extensions. %s") % msg) core.gcmd . GException : Unable to load extensions. Traceback (most recent call last): File "C:\OSGeo4W\apps\grass\grass83\scripts\g.extension.py", line 2855, in <module> sys.exit(main()) File "C:\OSGeo4W\apps\grass\grass83\scripts\g.extension.py", line 2803, in main xmlurl = resolve_xmlurl_prefix(original_url, source=source) File "C:\OSGeo4W\apps\grass\grass83\scripts\g.extension.py", line 2492, in resolve_xmlurl_prefix version_branch = get_version_branch(VERSION[0]) File "C:\OSGeo4W\apps\grass\grass83\scripts\g.extension.py", line 507, in get_version_branch branch = gs.Popen( File "C:\OSGeo4W\apps\grass\grass83\etc\python\grass\script\ core.py", line 55, in __init__ raise OSError(_("Cannot find the executable {0}").format(args[0])) OSError: Cannot find the executable git On Wed, Jul 19, 2023 at 3:02 PM Helmut Kudrnovsky <hel...@web.de> wrote: > >I am using standalone winGRASS, but installed it with OSGeo4W because I > also use QGIS. > > I don't understand this. How do you install standalone winGRASS with > OSGeo4W? But that's another question. > > Jürgen re-packaged now winGRASS 8.3.0 in OSGeo4W version 2 including the > Rbatch-files. > > have a look at > https://github.com/ggrothendieck/batchfiles/blob/master/R.bat#L520 and > following code lines. > > the relevant one is > https://github.com/ggrothendieck/batchfiles/blob/master/R.bat#L532 > > "echo path - Add R_TOOLS, R_MIKTEX ^& R_PATH to path for this cmd line > session (0)" > > just tried here in OSGeo4W version 2 with re-packaged winGRASS 8.3.0: > > * starting a GRASS session > * typing into the windows console: R path => this adds temporarily the > path to R to %PATH% > * typing into the windows console: RScript -e "sessionInfo()" => outputs > all necessary infos if R is correctly found (as Micha suggested) > > when temporarily the path to R is added to %PATH% within the winGRASS > session, try v.class.mlR. > > > Kind regards > Helmut >
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