[GRASS-user] Problem with v.class.mIR

[Giuseppe Cillis]

No one can help me?
GC

Il giorno mer 20 nov 2019 alle ore 14:06 Giuseppe Cillis <
giucillis at gmail.com> ha scritto:

> Thanks for the answer.
>
> *v.class.mlR segments_map=gbbb at PERMANENT training_map=tainning at PERMANENT
> train_class_column=fd output_class_column=vote output_prob_column=prob
> folds=5 partitions=10 tunelength=10 weighting_metric=accuracy*
>
>
> *and the same error with this command: *
> *v.class.mlR segments_map=gbbb training_map=tainning
> train_class_column=class weighting_mode=smv,swv,qbwwv -i*
>
> The vector used was elaborated with i.segment.stats module.
> An extract is here:
> cat area perimeter fd
> 1 958 208 1.555034
> 2 24 22 1.945217
> 3 160 80 1.726846
> 4 2036 242 1.440904
> 5 25 26 2.024344
> 6 222 96 1.68966
> 7 8435 1012 1.530879
>
> *cat *type Integer (9-0)
> *fd *type double/real (25-9)
> For the training area (t*ainning*), I use a simple vector with numerical
> categories (named* "cate"*) and there are 11 features (just for a
> trying). The type is in integer64 (10)
>
> Il giorno mer 20 nov 2019 alle ore 12:18 Moritz Lennert <
> mlennert at club.worldonline.be> ha scritto:
>
>> On 20/11/19 11:55, Giuseppe Cillis wrote:
>> > Hi,
>> > I'm trying to use this module for classification of an old aerial
>> photos.
>> > After a segmentation (i.segment and i.segment.stats), I would to use a
>> > machine learning approach for the real classification.
>> > I tried with v.class.mIR which use also R.
>> > But there is an error and I don't know how to solve it:
>> > */Durante l'avvio - Warning messages:
>> > 1: Setting LC_CTYPE=it_IT.cp1252 failed
>> > 2: Setting LC_COLLATE=it_IT.cp1252 failed
>> > 3: Setting LC_TIME=it_IT.cp1252 failed
>> > 4: Setting LC_MONETARY=it_IT.cp1252 failed
>> > Carico il pacchetto richiesto: caret
>> > Carico il pacchetto richiesto: lattice
>> > Carico il pacchetto richiesto: ggplot2
>> > Error in `$<-.data.frame`(`*tmp*`, fd, value = integer(0)) :
>> >    replacement has 0 rows, data has 11
>> > Calls: $<- -> $<-.data.frame/*
>> > */
>> > /*
>> > A part is in italian, I'm sorry.
>> > I'm a beginner in grass and R.
>>
>> R messages are often not very explicit, unfortunately.
>>
>> Could you provide us with the exact command line you use (If you use the
>> GUI, you can get the command line by clicking the 'Copy' button once
>> you've filled out all the parameters, or in the history of the 'Console'
>> in the Layer manager.) and an extract of the attribute data you feed
>> into the module ?
>>
>> Moritz
>>
>>
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