Struct FeatureStats

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pub struct FeatureStats {
    pub feature_idx: usize,
    pub mean: f64,
    pub std_dev: f64,
    pub min: f64,
    pub max: f64,
    pub median: f64,
    pub n_unique: usize,
    pub n_samples: usize,
}

Expand description

Statistics for a feature

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§feature_idx: usize

Feature index

§mean: f64

Mean value

§std_dev: f64

Standard deviation

§min: f64

Minimum value

§max: f64

Maximum value

§median: f64

Median value

§n_unique: usize

Number of unique values

§n_samples: usize

Number of samples

Implementations§

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impl FeatureStats

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pub fn is_informative(&self) -> bool

Check if this feature has enough variation to be useful for splitting

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pub fn range(&self) -> f64

Get the range of the feature

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pub fn coefficient_of_variation(&self) -> f64

Get coefficient of variation (std_dev / mean)

Trait Implementations§

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impl Clone for FeatureStats

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fn clone(&self) -> FeatureStats

Returns a duplicate of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for FeatureStats

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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 Default for FeatureStats

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for FeatureStats

Blanket Implementations§

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

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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,

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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,

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

Mutably borrows from an owned value. Read more

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

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

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

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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