[GRASS-user] v.class.mlR Error in data.frame : arguments imply differing number of rows

[Jamille Haarloo]

Dear Moritz and other Grass- users and developers,

I tried dealing with the error myself by changing predicted <-
data.frame(predict(models.cv, features)) into predicted <-
data.frame(predict(models.cv, features, na.action = na.exclude)), based on
discussions online implying some predictions might be invalid NaN values. I
checked the script output to see if this change was implemented and it was,
but I get the same error.
Any suggestions what to try next?

------------------------------
v.class.mlR -i --overwrite segments_map=nvSegW24IDM4DV4 at LUP1
training_map=TrainingApril2019 at LUP1 train_class_column=class_code
output_class_column=output_class output_prob_column=probability
classifiers=svmLinear,rf,xgbTree folds=5 partitions=10 tunelength=10
weighting_modes=bwwv,qbwwv weighting_metric=accuracy
classification_results=C:\Users\haarlooj\Documents\CELOS\v.class.mlr_outputapril2019\results_all_classifiers
accuracy_file=C:\Users\haarlooj\Documents\CELOS\v.class.mlr_outputapril2019\accuracy_classifiers
model_details=C:\Users\haarlooj\Documents\CELOS\v.class.mlr_outputapril2019\details_classifier_module_runs
bw_plot_file=C:\Users\haarlooj\Documents\CELOS\v.class.mlr_outputapril2019\box-whicker_classifier_performance
r_script_file=C:\Users\haarlooj\Documents\CELOS\v.class.mlr_outputapril2019\R_script4
processes=3
Running R now. Following output is R output.
During startup - Warning messages:
1: Setting LC_CTYPE=en_US.cp1252 failed
2: Setting LC_COLLATE=en_US.cp1252 failed
3: Setting LC_TIME=en_US.cp1252 failed
4: Setting LC_MONETARY=en_US.cp1252 failed
Loading required package: caret
Loading required package: lattice
Loading required package: ggplot2
Warning messages:
1: package 'caret' was built under R version 3.5.3
2: package 'ggplot2' was built under R version 3.5.3
Loading required package: foreach
Loading required package: iterators
Loading required package: parallel
Warning messages:
1: package 'doParallel' was built under R version 3.5.3
2: package 'foreach' was built under R version 3.5.3
3: package 'iterators' was built under R version 3.5.3
During startup - Warning messages:
1: Setting LC_CTYPE=en_US.cp1252 failed
2: Setting LC_COLLATE=en_US.cp1252 failed
3: Setting LC_TIME=en_US.cp1252 failed
4: Setting LC_MONETARY=en_US.cp1252 failed
During startup - Warning messages:
1: Setting LC_CTYPE=en_US.cp1252 failed
2: Setting LC_COLLATE=en_US.cp1252 failed
3: Setting LC_TIME=en_US.cp1252 failed
4: Setting LC_MONETARY=en_US.cp1252 failed
During startup - Warning messages:
1: Setting LC_CTYPE=en_US.cp1252 failed
2: Setting LC_COLLATE=en_US.cp1252 failed
3: Setting LC_TIME=en_US.cp1252 failed
4: Setting LC_MONETARY=en_US.cp1252 failed
Error in data.frame(id = rownames(features), predicted) :
  arguments imply differing number of rows: 17851, 17849
Execution halted
ERROR: There was an error in the execution of the R script.
Please check the R output.
(Thu Apr 11 12:09:19 2019) Command finished (1176 min 9 sec)
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