FIX the tests for convergence to the minimum norm solution of unpenalized ridge / OLS#25948

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ogrisel wants to merge 24 commits intoscikit-learn:mainfrom

ogrisel:least-norm-ridge

Commits on Mar 22, 2023

DOC document why we center linear regression and set intercept a-posteriori
ogrisel
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Commits on Mar 24, 2023

Update the doc to properly cover the underdetermined case and give motivation in the intro of the section
ogrisel
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Fix header levels for the new section
ogrisel
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Use pinv to deal with singular X_c @ X_c.T in fixture for all admissible values of global_random_seed
ogrisel
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Commits on Apr 11, 2023

Typos and style

ogrisel
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agramfort
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Commits on Apr 16, 2023

Typos / grammar fixes

ogrisel
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lorentzenchr
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Commits on Apr 17, 2023

Commits on Oct 21, 2024

Commits on Oct 22, 2024

Fix grammar and improve phrasing in linear_model.rst
ogrisel
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