Add check for noncentrality parameters.

[agkphysics]

Fixes #343, caused by scipy/scipy#17916.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.01 🎉

Comparison is base (c22843f) 98.54% compared to head (c9d7773) 98.55%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #347      +/-   ##
==========================================
+ Coverage   98.54%   98.55%   +0.01%     
==========================================
  Files          19       19              
  Lines        3361     3390      +29     
  Branches      547      559      +12     
==========================================
+ Hits         3312     3341      +29     
  Misses         26       26              
  Partials       23       23              

Impacted Files	Coverage Δ
pingouin/power.py	100.00% <100.00%> (ø)

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[agkphysics]

I notice that coverage fails because of the greater and less paths. Do you want me to add these extra test cases for ttest and ttest2n?

[raphaelvallat]

Hi @agkphysics,

This is great, thank you! Yes can you please add the extra test?

Btw I see that scipy/scipy#17916 has now been fixed and should be included in scipy 1.11.0.

[agkphysics]

@raphaelvallat I have added the additional tests now.

[raphaelvallat]

Approved! Thanks so much