org.apache.ignite.ml.dataset.feature

Interface Histogram<T,H extends Histogram<T,H>>

Type Parameters:

T - Type of object for histogram.

H - Type of histogram that can be used in math operations with this histogram.

All Superinterfaces:

Serializable

All Known Subinterfaces:

ImpurityComputer<T,H>

All Known Implementing Classes:

BootstrappedVectorsHistogram, CountersHistogram, GiniHistogram, MSEHistogram, ObjectHistogram

public interface Histogram<T,H extends Histogram<T,H>>
extends Serializable

Interface of histogram over type T.

Method Summary

Modifier and Type	Method and Description
void	addElement(T val) Add object to histogram.
Set<Integer>	buckets()
Optional<Double>	getValue(Integer bucketId)
boolean	isEqualTo(H other) Compares histogram with other and returns true if they are equals
H	plus(H other)

Method Detail

addElement

void addElement(T val)

Add object to histogram.

Parameters:

val - Value.

buckets

Set<Integer> buckets()

Returns:

Bucket ids.

getValue

Optional<Double> getValue(Integer bucketId)

Parameters:

bucketId - Bucket id.

Returns:

Value in according to bucket id.

plus

H plus(H other)

Parameters:

other - Other histogram.

Returns:

Sum of this and other histogram.

isEqualTo

boolean isEqualTo(H other)

Compares histogram with other and returns true if they are equals

Parameters:

other - Other histogram.

Returns:

True if histograms are equal.