How to use docker version of Weka

[raul.para...@gmail.com]

Hi,

I would like to explore the use of Weka using the docker option. I've seen this tutorial: https://fracpete.github.io/python-weka-wrapper3/docker.html however, I have some doubts:

1- How to include a dataset inside the dockerfile?

2- Does it already include packages?

3- Do you have a simple full example to use weka using docker?

Thanks

Raúl

[Peter Reutemann]

> I would like to explore the use of Weka using the docker option. I've seen this tutorial: https://fracpete.github.io/python-weka-wrapper3/docker.html however, I have some doubts:
> 1- How to include a dataset inside the dockerfile?

The easiest is to map directories from the host machine onto
directories in the container,e.g., using the -v option.

> 2- Does it already include packages?

The base images don't include any package. Docker uses a layer
approach and you can simply create your own Docker images (using the
ones that I supply as the base) with the necessary packages. That's
why the above mentioned documentation also shows how to do that.

> 3- Do you have a simple full example to use weka using docker?

The above article is supposed to be that. :-)

If you're not familiar with Docker, have a look at this introduction
that I put together a while ago:
https://www.data-mining.co.nz/docker-for-data-scientists/

Please note: you either need a Linux machine or if you're stuck with
Windows then use WSL2:
https://learn.microsoft.com/en-us/windows/wsl/

Cheers, Peter
--
Peter Reutemann
Dept. of Computer Science
University of Waikato, Hamilton, NZ
Mobile +64 22 190 2375
https://www.cs.waikato.ac.nz/~fracpete/
http://www.data-mining.co.nz/

[Peter Reutemann]

> > 3- Do you have a simple full example to use weka using docker?

I've added a couple of usage examples to the docker documentation:
https://fracpete.github.io/python-weka-wrapper3/docker.html

[Raúl Parada Medina]

Thanks Peter,

I could setup and run the docker. I would like to add additional python libraries, however when I use the common pip3 install "library", I got this error message: ERROR: Could not install packages due to an EnvironmentError: [Errno 13] Permission denied: '/.local'

Check the permissions.

Is there a su password?

Best,

Raúl

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[Peter Reutemann]

> I could setup and run the docker. I would like to add additional python libraries, however when I use the common pip3 install "library", I got this error message: ERROR: Could not install packages due to an EnvironmentError: [Errno 13] Permission denied: '/.local'
>
> Check the permissions.
>
> Is there a su password?

You have to create your own docker image (when building the docker
image, you're basically root). The pww3 one can be the basis for that.

For installing additional libraries, you would use the RUN directive.

Here is a basic example of a derived Dockerfile:

FROM fracpete/pww3:0.2.14_cpu
RUN pip3 --no-cache-dir install THE_LIBRARIES_YOU_NEED