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 ? Moritz _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
