# shrinkage.WorkingSetDiagnostics Shrinkage for Python · 0.2.0 [Source]() ```python WorkingSetDiagnostics( policy: shrinkage.WorkingSetPolicy, full_checks: int, restricted_checks: int, rebuilds: int, expansions: int, reactivations: int, active_dimension: int, peak_active_dimension: int, feature_visits: int, block_visits: int ) ``` Heuristic feature-selection work, separate from safe screening. `policy` is resolved rather than `auto`. Full checks include logistic quadratic subproblem checks. Feature and block visits count numerical work, not the number of nonzero coefficients. ## `policy` ```python policy: shrinkage.WorkingSetPolicy ``` [Source]() ## `full_checks` ```python full_checks: int ``` [Source]() ## `restricted_checks` ```python restricted_checks: int ``` [Source]() ## `rebuilds` ```python rebuilds: int ``` [Source]() ## `expansions` ```python expansions: int ``` [Source]() ## `reactivations` ```python reactivations: int ``` [Source]() ## `active_dimension` ```python active_dimension: int ``` [Source]() ## `peak_active_dimension` ```python peak_active_dimension: int ``` [Source]() ## `feature_visits` ```python feature_visits: int ``` [Source]() ## `block_visits` ```python block_visits: int ``` [Source]()