Address numpy random changes and rename df to data

[stefmolin]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 97.87234% with 1 line in your changes missing coverage. Please review.

Project coverage is 98.51%. Comparing base (9a2a3f9) to head (bf7fc47).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/data_morph/data/dataset.py	83.33%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #259   +/-   ##
=======================================
  Coverage   98.51%   98.51%           
=======================================
  Files          58       58           
  Lines        1891     1891           
  Branches      114      114           
=======================================
  Hits         1863     1863           
  Misses         25       25           
  Partials        3        3           

Files with missing lines	Coverage Δ
src/data_morph/data/loader.py	100.00% <100.00%> (ø)
src/data_morph/data/stats.py	100.00% <100.00%> (ø)
src/data_morph/morpher.py	100.00% <100.00%> (ø)
src/data_morph/plotting/static.py	100.00% <100.00%> (ø)
src/data_morph/shapes/circles.py	94.00% <100.00%> (ø)
src/data_morph/shapes/lines/diamond.py	100.00% <100.00%> (ø)
src/data_morph/shapes/lines/rectangle.py	100.00% <100.00%> (ø)
src/data_morph/shapes/points/dots_grid.py	100.00% <100.00%> (ø)
src/data_morph/shapes/points/scatter.py	100.00% <100.00%> (ø)
tests/data/test_dataset.py	100.00% <100.00%> (ø)
... and 6 more