[ENH] Datasets based on Marron and Wand, Trunk, etc.

[adam2392]

Addresses one of #197

Changes proposed in this pull request:

• Introduce some cosmetic fixes and tests
• Mainly adds a set of functions to generate data according to Marron and Wand 1992

Before submitting

• I've read and followed all steps in the Making a pull request
  section of the CONTRIBUTING docs.
• I've updated or added any relevant docstrings following the syntax described in the
  Writing docstrings section of the CONTRIBUTING docs.
• If this PR fixes a bug, I've added a test that will fail without my fix.
• If this PR adds a new feature, I've added tests that sufficiently cover my new functionality.

After submitting

• All GitHub Actions jobs for my pull request have

Here are the visual unit-tests of the proposed trunk-classification generator API

passed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (06a7066) 90.18% compared to head (e00e810) 90.18%.
Report is 4 commits behind head on main.

❗ Current head e00e810 differs from pull request most recent head be587b6. Consider uploading reports for the commit be587b6 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #185   +/-   ##
=======================================
  Coverage   90.18%   90.18%           
=======================================
  Files          49       49           
  Lines        4198     4198           
=======================================
  Hits         3786     3786           
  Misses        412      412           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[adam2392]

This is very messy, but the main thing we want to merge is make_trunk_classification to have a consistent API for generating the data

[adam2392]

Closed by #203