Le 11 novembre 2016 10:21:11 GMT+01:00, James Duffy <[email protected]> a écrit : >On 10 November 2016 at 19:37, Moritz Lennert ><[email protected]> >wrote: > >> >> >> Le 10 novembre 2016 15:45:59 GMT+01:00, James Duffy < >> [email protected]> a écrit : >> >Hello, >> > >> >I'm trying to run v.class.mlR on a vector map, with a separate >vector >> >map >> >containing my training data. Currently I have two classes '1' and >'2' >> >stored in the column 'class'. My region is set to that of the >segments >> >to >> >be classified. I run the following command: >> > >> >v.class.mlR segments_map=gp_seg_stats_vec@gp1 \ >> >training_map=gp_seg_sed_grass@gp1 train_class_column=class \ >> >output_class_column=vote output_prob_column=prob folds=5 \ >> >partitions=10 tunelength=10 weighting_metric=accuracy >> > >> >And get the following output: >> > >> >Running R now. Following output is R output. >> >Loading required package: caret >> >Loading required package: lattice >> >Loading required package: ggplot2 >> >Loading required package: kernlab >> > >> >Attaching package: ‘kernlab’ >> > >> >The following object is masked from ‘package:ggplot2’: >> > >> > alpha >> > >> >Loading required package: randomForest >> >randomForest 4.6-12 >> >Type rfNews() to see new features/changes/bug fixes. >> > >> >Attaching package: ‘randomForest’ >> > >> >The following object is masked from ‘package:ggplot2’: >> > >> > margin >> > >> >Loading required package: rpart >> >Error in eval(expr, envir, enclos) : object 'cat_' not found >> >Calls: data.frame ... predict.train -> model.frame -> >> >model.frame.default >> >-> eval -> eval >> >Execution halted >> >ERROR: There was an error in the execution of the R script. >> > Please check the R output. >> > >> > >> >I'm not entirely sure where it's looking for anything called 'cat_'. >> > >> >Any help much appreciated please. >> >> >> Could you send us the output of v.info -c for both of the input maps >? >> > >v.info -c --verbose map=gp_seg_stats_vec@gp1 > >INTEGER|cat >DOUBLE PRECISION|area >DOUBLE PRECISION|perimeter >DOUBLE PRECISION|fd >DOUBLE PRECISION|gpo1min >DOUBLE PRECISION|com_circ >DOUBLE PRECISION|gpo1max >DOUBLE PRECISION|gpo1range >DOUBLE PRECISION|gpo1mean >DOUBLE PRECISION|gpo1stdev >DOUBLE PRECISION|gpo1var >DOUBLE PRECISION|gpo1sum >DOUBLE PRECISION|gpo2min >DOUBLE PRECISION|gpo2max >DOUBLE PRECISION|gpo2range >DOUBLE PRECISION|gpo2mean >DOUBLE PRECISION|gpo2stdev >DOUBLE PRECISION|gpo2var >DOUBLE PRECISION|gpo3min >DOUBLE PRECISION|gpo3max >DOUBLE PRECISION|gpo3range >DOUBLE PRECISION|gpo3mean >DOUBLE PRECISION|gpo3stdev >DOUBLE PRECISION|gpo3var >DOUBLE PRECISION|gpo3sum >DOUBLE PRECISION|gpo4min >DOUBLE PRECISION|gpo4max >DOUBLE PRECISION|gpo4range >DOUBLE PRECISION|gpo4mean >DOUBLE PRECISION|gpo4stdev >DOUBLE PRECISION|gpo4var >DOUBLE PRECISION|gpo4sum >Displaying column types/names for database connection of layer <1>: >(Fri Nov 11 09:17:34 2016) Command finished (0 sec) > >v.info -c --verbose map=gp_seg_sed_grass@gp1 > >INTEGER|cat >INTEGER|cat_
This is the problem. cat_ using the training data, but not in the segments file. Erasing this column from the training data should be enough to solve the problem. Moritz >DOUBLE PRECISION|area >DOUBLE PRECISION|perimeter >DOUBLE PRECISION|fd >DOUBLE PRECISION|gpo1min >DOUBLE PRECISION|com_circ >DOUBLE PRECISION|gpo1max >DOUBLE PRECISION|gpo1range >DOUBLE PRECISION|gpo1mean >DOUBLE PRECISION|gpo1stdev >DOUBLE PRECISION|gpo1var >DOUBLE PRECISION|gpo1sum >DOUBLE PRECISION|gpo2min >DOUBLE PRECISION|gpo2max >DOUBLE PRECISION|gpo2range >DOUBLE PRECISION|gpo2mean >DOUBLE PRECISION|gpo2stdev >DOUBLE PRECISION|gpo2var >DOUBLE PRECISION|gpo3min >DOUBLE PRECISION|gpo3max >DOUBLE PRECISION|gpo3range >DOUBLE PRECISION|gpo3mean >DOUBLE PRECISION|gpo3stdev >DOUBLE PRECISION|gpo3var >DOUBLE PRECISION|gpo3sum >DOUBLE PRECISION|gpo4min >DOUBLE PRECISION|gpo4max >DOUBLE PRECISION|gpo4range >DOUBLE PRECISION|gpo4mean >DOUBLE PRECISION|gpo4stdev >DOUBLE PRECISION|gpo4var >DOUBLE PRECISION|gpo4sum >CHARACTER|type >INTEGER|class >Displaying column types/names for database connection of layer <1>: >(Fri Nov 11 09:20:35 2016) Command finished (0 sec) > > >> >> Moritz >> >> >> >> >James _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
