Re: Unparseable date error

> > Of course, you have to parse the 1st attribute as date with the
> > following format (as OP mentioned):
> > yyyy-MM-dd HH:mm
> >
>
> You did this and it was recognized as a Date? The blank still sort of concerns me. I remember mention in the past that the CSV conversions sometimes had problems.

CSV splits on comma, blanks are usually not a problem. And even Weka's
quirky CSVLoader handles that just fine.

> I might still suggest getting the date into the format indicated in the arff spec yourself might be an idea. I think it mentioned any format that would work with java SimpleDateFormat.
>
> But I usually preprocess csv files in R and convert to arff with RWeka. I haven’t done that a lot for dates.

I don't normally use Weka for that either, but ADAMS instead.

> I’m not sure what the dateAttributes in the GUI actually means.

That's the range of attributes to treat as date attributes.

https://weka.sourceforge.io/doc.dev/weka/core/converters/CSVLoader.html

Cheers, Peter
-- 
Peter Reutemann
Dept. of Computer Science
University of Waikato, NZ
+64 (7) 858-5174 (office)
+64 (7) 577-5304 (home office)
http://www.cms.waikato.ac.nz/~fracpete/
http://www.data-mining.co.nz/
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