# `q_residuals` — n4m.outlier_detection.q_residuals _Namespace_: **`n4m.outlier_detection`** · _Fully-qualified_: `n4m.outlier_detection.q_residuals` · _Catalog id_: `utilities.q_residuals` _C ABI symbols_ (ABI 2.0): `n4m_outlier_detection_q_residuals` Auto-discovered from source tree in M2. Refine in subsequent phases (fixtures, references, bindings, publications). _See also_: [methods index](index.md).