Struct FeatureMeta 

pub struct FeatureMeta {
    pub name: String,
    pub bins: BinMapper,
    pub num_bins: u32,
    pub group: u32,
    pub column: u32,
    pub hist_offset: u32,
}

Fields

name: String

bins: BinMapper

num_bins: u32

Bins in the histogram, the NaN bin included; 0 for a trivial feature.

group: u32

The feature’s group; meaningless for a trivial feature.

column: u32

Byte offset of the feature in its group’s row.

hist_offset: u32

Index of the feature’s bin 0 in the flat histogram.

Implementations

impl FeatureMeta

pub fn is_trivial(&self) -> bool

pub fn is_categorical(&self) -> bool

Trait Implementations

impl Clone for FeatureMeta

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FeatureMeta

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

Formats the value using the given formatter.

impl PartialEq for FeatureMeta

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for FeatureMeta