Create io array priori

[SCiarella]

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 84.61538% with 2 lines in your changes missing coverage. Please review.

Project coverage is 35.31%. Comparing base (ff62eb6) to head (8cd6291).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/loss/loss_posteriori.jl	84.61%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #175      +/-   ##
==========================================
- Coverage   35.62%   35.31%   -0.32%     
==========================================
  Files          15       15              
  Lines         581      572       -9     
==========================================
- Hits          207      202       -5     
+ Misses        374      370       -4     

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