Metric fix: auroc avpr and metric averaging

[zhiyil1230]

Changelogs

• enumerate the changes of that PR.

---

Checklist:

• Was this PR discussed in an issue? It is recommended to first discuss a new feature into a GitHub issue before opening a PR.
• Add tests to cover the fixed bug(s) or the new introduced feature(s) (if appropriate).
• Update the API documentation is a new function is added, or an existing one is deleted.
• Write concise and explanatory changelogs above.
• If possible, assign one of the following labels to the PR: feature, fix or test (or ask a maintainer to do it for you).

---

discussion related to that PR

[zhiyil1230]

@DomInvivo Had to use ignore_index for l1000_vcap and l1000_mcf7 as target_nan_mask gives nan. But for pcba target_nan_mask is used as you suggested.

[DomInvivo]

I like the workaround that you found to use ignore_index with target_nan_mask

[codecov]

Codecov Report

Merging #427 (7903fb0) into main (6006da5) will decrease coverage by 0.04%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #427      +/-   ##
==========================================
- Coverage   66.91%   66.87%   -0.04%     
==========================================
  Files          82       82              
  Lines        7819     7823       +4     
==========================================
  Hits         5232     5232              
- Misses       2587     2591       +4     

Flag	Coverage Δ
unittests	66.87% <0.00%> (-0.04%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
ipu	49.14% <ø> (ø)