Struct KnnClassifier

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pub struct KnnClassifier {
    pub k: usize,
    pub items: Vec<KnnItem>,
}

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§k: usize§items: Vec<KnnItem>

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impl KnnClassifier

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pub fn new(k: usize) -> KnnClassifier

new classifier with k (0 or odd number)

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pub fn fit(&mut self, data: &[&[f64]], labels: &[&str])

Function to learn from data

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pub fn fit_one(&mut self, data: &[f64], label: &str)

Function to add a single data point

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pub fn predict_one(&self, item: &[f64]) -> String

Function to predict based on a single data point

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pub fn predict(&self, items: &[Vec<f64>]) -> Vec<String>

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pub fn to_csv(&self, delimiter: char) -> String

convert to csv

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pub fn from_csv( &mut self, s: &str, delimiter: char, label_col: usize, skip_header: bool, )

convert from csv

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impl Clone for KnnClassifier

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fn clone(&self) -> KnnClassifier

Returns a copy 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 KnnClassifier

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

Formats the value using the given formatter. Read more

Auto Trait 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, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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<U> 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.