The answer turns out to be that, while QGIS can extract and process layers from a zipfile, the R scripts can't. Once I extracted the layers and added them to QGIS, the R scripts worked.
Terry -----Original Message----- >From: Terry Morse <tmo...@teleport.com> >Sent: Dec 27, 2015 10:21 PM >To: QGIS-L <qgis-user@lists.osgeo.org> >Subject: [Qgis-user] Error Trying to Run R Summary Statistics in QGIS 2.12.1 > >When I try to run the R script "Summary statistics" in QGIS 2.12.1 on a >Windows 7/64 bit machine, I get the error message "error in if >(!file.info(DSN)$isdir) DSN missing value where TRUE/FALSE needed," and the >output file is empty. (The results viewer opens, but all it contains is the >heading, "R Output".) > >Having read a comment on-line that R doesn't work properly if installed in the >c:\Program Files\ directory, I tried installing it in its own directory in c:, >but that didn't make any difference. I've tried installing R with and without >the 32 bit files, and with just the 32 bit files (no 64 bit files), but the >result is always the same: no results. The same happens with the R Histogram >script. > >QGIS's native Basic Statistics routine does produce results, so I don't think >there is any problem with the line vector shapefile. As for the R options, I >have checked "Activate" and "Use 64-bit version" (I've tried it with this >unchecked as well. > >The R-scripts folder is "C:\Users\Terry\.qgis2\processing\rscripts"; >the R folder is "C:\Program Files\R\R-3.2.3"; >and the R user library folder is "C:\Users\Terry\.qgis2\processing\rlibs." > >Can anyone help me get R scripts working in QGIS? > >Thank you, >Terry > >_______________________________________________ >Qgis-user mailing list >Qgis-user@lists.osgeo.org >List info: http://lists.osgeo.org/mailman/listinfo/qgis-user >Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: http://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user