# `pls_diagnostics` — n4m.metrics.diagnostics.pls_diagnostics _Namespace_: **`n4m.metrics.diagnostics`** · _Fully-qualified_: `n4m.metrics.diagnostics.pls_diagnostics` · _Catalog id_: `diagnostics.pls_diagnostics` _C ABI symbols_ (ABI 2.0): `n4m_metrics_pls_diagnostics_compute` Auto-discovered from source tree in M2. Refine in subsequent phases (fixtures, references, bindings, publications). _See also_: [methods index](index.md).