org.tribuo

Interface VariableInfo

All Superinterfaces:

Cloneable, Serializable

All Known Subinterfaces:

VariableIDInfo

All Known Implementing Classes:

CategoricalIDInfo, CategoricalInfo, RealIDInfo, RealInfo, SkeletalVariableInfo

public interface VariableInfo
extends Serializable, Cloneable

A VariableInfo subclass contains information about a feature and its observed values.

Method Summary

Modifier and Type	Method and Description
VariableInfo	copy() Returns a copy of this variable info.
int	getCount() The occurrence count of this feature.
String	getName() The name of this feature.
VariableIDInfo	makeIDInfo(int id) Generates a VariableIDInfo subclass which represents the same feature.
VariableInfo	rename(String name) Rename generates a fresh VariableInfo with the new name.
double	uniformSample(SplittableRandom rng) Sample a value uniformly from the range of this variable.

Method Detail

getName

String getName()

The name of this feature.

Returns:

The feature name.

getCount

int getCount()

The occurrence count of this feature.

Returns:

The occurrence count.

makeIDInfo

VariableIDInfo makeIDInfo(int id)

Generates a VariableIDInfo subclass which represents the same feature.

Parameters:

id - The id number.

Returns:

A VariableInfo with the same information, plus the id.

rename

VariableInfo rename(String name)

Rename generates a fresh VariableInfo with the new name. The name forms part of the hashcode so it's immutable in the object.

Parameters:

name - The new name.

Returns:

A VariableInfo subclass with the new name.

uniformSample

double uniformSample(SplittableRandom rng)

Sample a value uniformly from the range of this variable.

Parameters:

rng - The rng to use.

Returns:

A sample from this variable.

copy

VariableInfo copy()

Returns a copy of this variable info.

Returns:

A copy.