Updated train/test datasets and runs

[steffenlem]

PR Checklist

• This comment contains a description of changes (with reason)
• Referenced issue is linked
• If you've fixed a bug or added code that should be tested, add tests!
• Documentation in docs is updated
• CHANGELOG.rst is updated

Description of changes

Replaced the train/test dataset, since the previous included rounded TPM values for some samples.
Updated the formatting of the parameters in the docs

Technical details

The new datasets were generated by the nextflow-lecp pipeline

Additional context

[github-actions]

Hi @steffenlem,

It looks like this pull-request is has been made against the mlf-core/lcep master branch.
The master branch should always contain code from the latest release.
Because of this, PRs to master are only allowed if they come from any mlf-core/lcep release or patch branch.

You do not need to close this PR, you can change the target branch to development by clicking the "Edit" button at the top of this page.

Thanks again for your contribution!

[Zethson]

LGTM

Let's ignore the failing check