Add sweepable estimator to NER

[zewditu]

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• There's a descriptive title that will make sense to other developers some time from now.
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• Your change description explains what the change does, why you chose your approach, and anything else that reviewers should know.
• You have included any necessary tests in the same PR.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (9f4a389) 68.80% compared to head (d67a232) 68.80%.
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6965      +/-   ##
==========================================
- Coverage   68.80%   68.80%   -0.01%     
==========================================
  Files        1249     1249              
  Lines      249644   249686      +42     
  Branches    25481    25485       +4     
==========================================
+ Hits       171780   171797      +17     
- Misses      71273    71294      +21     
- Partials     6591     6595       +4     

Flag	Coverage Δ
Debug	68.80% <ø> (-0.01%)	⬇️
production	63.27% <ø> (-0.01%)	⬇️
test	88.41% <ø> (-0.01%)	⬇️

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see 15 files with indirect coverage changes