Struct linfa_trees::TreeNode

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pub struct TreeNode<F, L> { /* private fields */ }

Expand description

A node in the decision tree

Implementations

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impl<F: Float, L: Label + Debug> TreeNode<F, L>

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pub fn is_leaf(&self) -> bool

Returns true if the node has no children

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pub fn depth(&self) -> usize

Returns the depth of the node in the decision tree

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pub fn prediction(&self) -> Option<L>

Returns Some(prediction) for leaf nodes and None for internal nodes.

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pub fn children(&self) -> Vec<&Option<Box<TreeNode<F, L>>>>

Returns both children, first left then right

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pub fn split(&self) -> (usize, F, F)

Return the split (feature index, value) and its impurity decrease

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pub fn feature_name(&self) -> Option<&String>

Returns the name of the feature used in the split if the node is internal, None otherwise

Trait Implementations

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impl<F: Clone, L: Clone> Clone for TreeNode<F, L>

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fn clone(&self) -> TreeNode<F, L>

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl<F: Debug, L: Debug> Debug for TreeNode<F, L>

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

Formats the value using the given formatter. Read more

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impl<F: Float, L: Label> Hash for TreeNode<F, L>

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

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impl<F, L> PartialEq<TreeNode<F, L>> for TreeNode<F, L>

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

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

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

This method tests for !=.

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impl<F, L> Eq for TreeNode<F, L>

Auto Trait Implementations

impl<F, L> RefUnwindSafe for TreeNode<F, L> where
F: RefUnwindSafe,
L: RefUnwindSafe,

impl<F, L> Send for TreeNode<F, L> where
F: Send,
L: Send,

impl<F, L> Sync for TreeNode<F, L> where
F: Sync,
L: Sync,

impl<F, L> Unpin for TreeNode<F, L> where
F: Unpin,
L: Unpin,

impl<F, L> UnwindSafe for TreeNode<F, L> where
F: UnwindSafe,
L: UnwindSafe,

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct linfa_trees::TreeNode

Implementations

impl<F: Float, L: Label + Debug> TreeNode<F, L>

pub fn is_leaf(&self) -> bool

pub fn depth(&self) -> usize

pub fn prediction(&self) -> Option<L>

pub fn children(&self) -> Vec<&Option<Box<TreeNode<F, L>>>>

pub fn split(&self) -> (usize, F, F)

pub fn feature_name(&self) -> Option<&String>

Trait Implementations

impl<F: Clone, L: Clone> Clone for TreeNode<F, L>

fn clone(&self) -> TreeNode<F, L>

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

impl<F: Debug, L: Debug> Debug for TreeNode<F, L>

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

impl<F: Float, L: Label> Hash for TreeNode<F, L>

fn hash<H: Hasher>(&self, state: &mut H)

fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher,

impl<F, L> PartialEq<TreeNode<F, L>> for TreeNode<F, L>

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

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

impl<F, L> Eq for TreeNode<F, L>

Auto Trait Implementations

impl<F, L> RefUnwindSafe for TreeNode<F, L> where F: RefUnwindSafe, L: RefUnwindSafe,

impl<F, L> Send for TreeNode<F, L> where F: Send, L: Send,

impl<F, L> Sync for TreeNode<F, L> where F: Sync, L: Sync,

impl<F, L> Unpin for TreeNode<F, L> where F: Unpin, L: Unpin,

impl<F, L> UnwindSafe for TreeNode<F, L> where F: UnwindSafe, L: UnwindSafe,

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> Pointable for T

pub const ALIGN: usize

type Init = T

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

pub unsafe fn drop(ptr: usize)

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

impl<F, L> RefUnwindSafe for TreeNode<F, L> where
F: RefUnwindSafe,
L: RefUnwindSafe,

impl<F, L> Send for TreeNode<F, L> where
F: Send,
L: Send,

impl<F, L> Sync for TreeNode<F, L> where
F: Sync,
L: Sync,

impl<F, L> Unpin for TreeNode<F, L> where
F: Unpin,
L: Unpin,

impl<F, L> UnwindSafe for TreeNode<F, L> where
F: UnwindSafe,
L: UnwindSafe,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,