[WIP] raise warning f1_score_micro equals accuracy

[ananyaganesh]

Raises warning that micro-averaged F1 score is the same as accuracy for multi-class classification.
Addresses #491

[pep8speaks]

Hello @ananyaganesh! Thanks for updating this PR.

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🎉

Comment last updated at 2019-10-03 18:26:28 UTC

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@42a9a99). Click here to learn what that means.
The diff coverage is 0%.

@@            Coverage Diff            @@
##             master     #513   +/-   ##
=========================================
  Coverage          ?   54.97%           
=========================================
  Files             ?       20           
  Lines             ?     2843           
  Branches          ?        0           
=========================================
  Hits              ?     1563           
  Misses            ?     1280           
  Partials          ?        0

Impacted Files	Coverage Δ
skll/config.py	8.7% <0%> (ø)

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[mulhod]

Should this still be WIP?

[desilinguist]

Yes, this is still WIP since it's likely to change based on how we resolve #502

[ghost]

I did not realize it is WIP. I saw that the build passed, and approved. I do not find how to unapprove it.

[ghost]

The coverage is down though.

Accidental approval.