Re: Installing weka on ubuntu

Perfect! Many thanks. I know on Windoze there used to be a weka.ini that
could be modified but I didn't see that file anymore.

Thanks again!

On Thu, Nov 4, 2021, 10:36 PM Peter Reutemann <[email protected]>
wrote:

> > Many thanks for your email. I knew it was something stupid. The
> instructions I saw said to run the weka.sh
>
> Ah, I see. I'm an old time Weka user, so didn't know that there was a
> script for that now... That weka.sh script worked fine for me though.
>
> > Another question. is there a way I can adjust the amount of memory weka
> uses? I have a machine with 64gb and want to allow weka to use up to 32
>
> You can use the -Xmx option for that, e.g., using 32GB as heap size:
> java -Xmx32g -jar weka.jar
>
> If you want to run classifiers directly, rather than the UI, use
> something like this:
> java -Xmx32g -cp weka.jar weka.classifiers.trees.J48 <other options>
>
> Using the above script with 32GB heap (from the directory with the
> weka.jar):
> _JAVA_OPTIONS=-Xmx32g ./weka.sh
>
> BTW I'm using the bash shell.
>
> 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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