* FEA add NewtonSolver, CholeskyNewtonSolver and QRCholeskyNewtonSolver
* ENH better singular hessian special solve
* CLN fix some typos found by reviewer
* TST assert ConvergenceWarning is raised
* MNT add BaseCholeskyNewtonSolver
* WIP colinear design in GLMs
* FIX _solve_singular
* FIX false unpacking in
* TST add tests for unpenalized GLMs
* TST fix solutions of glm_dataset
* ENH add SVDFallbackSolver
* CLN remove SVDFallbackSolver
* ENH use gradient step for singular hessians
* ENH print iteration number in warnings
* TST improve test_linalg_warning_with_newton_solver
* CLN LinAlgWarning fron scipy.linalg
* ENH more robust hessian
* ENH increase maxls for lbfgs to make it more robust
* ENH add hessian_warning for too many negative hessian values
* CLN some warning messages
* ENH add lbfgs_step
* ENH use lbfgs_step for hessian_warning
* TST make them pass
* TST tweek rtol for lbfgs
* TST add rigoros test for GLMs
* TST improve test_warm_start
* ENH improve lbfgs options for better convergence
* CLN fix test_warm_start
* TST fix assert singular values in datasets
* CLN address most review comments
* ENH enable more vebosity levels for lbfgs
* DOC add whatsnew
* CLN remove xfail and clean a bit
* CLN docstring about minimum norm
* More informative repr for the glm_dataset fixture cases
* Forgot to run black
* CLN remove unnecessary filterwarnings
* CLN address review comments
* Trigger [all random seeds] on the following tests:
test_glm_regression
test_glm_regression_hstacked_X
test_glm_regression_vstacked_X
test_glm_regression_unpenalized
test_glm_regression_unpenalized_hstacked_X
test_glm_regression_unpenalized_vstacked_X
test_warm_start
* CLN add comment for lbfgs ftol=64 * machine precision
* CLN XXX code comment
* Trigger [all random seeds] on the following tests:
test_glm_regression
test_glm_regression_hstacked_X
test_glm_regression_vstacked_X
test_glm_regression_unpenalized
test_glm_regression_unpenalized_hstacked_X
test_glm_regression_unpenalized_vstacked_X
test_warm_start
* CLN link issue and remove code snippet in comment
* Trigger [all random seeds] on the following tests:
test_glm_regression
test_glm_regression_hstacked_X
test_glm_regression_vstacked_X
test_glm_regression_unpenalized
test_glm_regression_unpenalized_hstacked_X
test_glm_regression_unpenalized_vstacked_X
test_warm_start
* CLN add catch_warnings
* Trigger [all random seeds] on the following tests:
test_glm_regression
test_glm_regression_hstacked_X
test_glm_regression_vstacked_X
test_glm_regression_unpenalized
test_glm_regression_unpenalized_hstacked_X
test_glm_regression_unpenalized_vstacked_X
test_warm_start
* Trigger [all random seeds] on the following tests:
test_glm_regression
test_glm_regression_hstacked_X
test_glm_regression_vstacked_X
test_glm_regression_unpenalized
test_glm_regression_unpenalized_hstacked_X
test_glm_regression_unpenalized_vstacked_X
test_warm_start
* [all random seeds]
test_glm_regression
test_glm_regression_hstacked_X
test_glm_regression_vstacked_X
test_glm_regression_unpenalized
test_glm_regression_unpenalized_hstacked_X
test_glm_regression_unpenalized_vstacked_X
test_warm_start
* Trigger with -Werror [all random seeds]
test_glm_regression
test_glm_regression_hstacked_X
test_glm_regression_vstacked_X
test_glm_regression_unpenalized
test_glm_regression_unpenalized_hstacked_X
test_glm_regression_unpenalized_vstacked_X
test_warm_start
* ENH increase maxls to 50
* [all random seeds]
test_glm_regression
test_glm_regression_hstacked_X
test_glm_regression_vstacked_X
test_glm_regression_unpenalized
test_glm_regression_unpenalized_hstacked_X
test_glm_regression_unpenalized_vstacked_X
test_warm_start
* Revert "Trigger with -Werror [all random seeds]"
This reverts commit 99f4cf99ca.
* TST add catch_warnings to filterwarnings
* TST adapt tests for newton solvers
* CLN cleaner gradient step with gradient_times_newton
* DOC add whatsnew
* ENH always use lbfgs as fallback
* TST adapt rtol
* TST fix test_linalg_warning_with_newton_solver
* CLN address some review comments
* Improve tests related to convergence warning on collinear data
* overfit -> fit
* Typo in comment
* Apply suggestions from code review
* ENH fallback_lbfgs_solve
- Do not use lbfgs steps, fall back complete to lbfgs
* ENH adapt rtol
* Improve test_linalg_warning_with_newton_solver
* Better comments
* Fixed Hessian casing and improved warning messages
* [all random seeds]
test_linalg_warning_with_newton_solver
* Ignore ConvergenceWarnings for now if convergence is good
* CLN remove counting of warnings
* ENH fall back to lbfgs if line search did not converge
* DOC better comment on performance bottleneck
* Update GLM related examples to use the new solver
* CLN address reviewer comments
* EXA improve some wordings
* CLN do not pop "solver in parameter constraints
* CLN fix typos
* DOC fix docstring
* CLN remove solver newton-qr-cholesky
* DOC update PR number in whatsnew
* CLN address review comments
* CLN remove unnecessary catch_warnings
* CLN address some review comments
* DOC more precise whatsnew
* CLN use init_zero_coef
* CLN use and test init_zero_coef
* CLN address some review comments
* CLN mark NewtonSolver as private by leading underscore
* CLN exact comments for inner_solve
* TST add test_newton_solver_verbosity
* TST extend test_newton_solver_verbosity
* TST logic in test_glm_regression_unpenalized
* TST use count_nonzero
* CLN remove super rare line search checks
* MNT move Newton solver to new file _newton_solver.py
Co-authored-by: Olivier Grisel <olivier.grisel@ensta.org>
Co-authored-by: Julien Jerphanion <git@jjerphan.xyz>
Christian Lorentzen