Enum FixedLambdaResidualKind 

pub enum FixedLambdaResidualKind {
    PenalizedGradientNorm,
    NewtonDecrement,
}

Solver-native first-order residual carried by a fixed-lambda stall.

Variants

PenalizedGradientNorm

Euclidean norm of the exact penalized likelihood gradient.

NewtonDecrement

Firth/Jeffreys Newton decrement 0.5 * |score' H^-1 score|.

Trait Implementations

impl Clone for FixedLambdaResidualKind

fn clone(&self) -> FixedLambdaResidualKind

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for FixedLambdaResidualKind

impl Debug for FixedLambdaResidualKind

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for FixedLambdaResidualKind

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for FixedLambdaResidualKind

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for FixedLambdaResidualKind

impl PartialEq for FixedLambdaResidualKind

fn eq(&self, other: &FixedLambdaResidualKind) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for FixedLambdaResidualKind

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for FixedLambdaResidualKind