org.grouplens.lenskit.eval.data.crossfold

Enum CrossfoldMethod

java.lang.Object

java.lang.Enum<CrossfoldMethod>

org.grouplens.lenskit.eval.data.crossfold.CrossfoldMethod

All Implemented Interfaces:

Serializable, Comparable<CrossfoldMethod>

public enum CrossfoldMethod
extends Enum<CrossfoldMethod>

The method to be used for crossfolding.

Since:

2.1

Enum Constant Summary

Enum Constants

Enum Constant and Description
PARTITION_RATINGS Partition the ratings into (roughly) equal sets.
PARTITION_USERS Partition the users into (roughly) equal sets.
SAMPLE_USERS Sample users for each partition.

Method Summary

Modifier and Type	Method and Description
static CrossfoldMethod	valueOf(String name) Returns the enum constant of this type with the specified name.
static CrossfoldMethod[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

PARTITION_USERS

public static final CrossfoldMethod PARTITION_USERS

Partition the users into (roughly) equal sets.

PARTITION_RATINGS

public static final CrossfoldMethod PARTITION_RATINGS

Partition the ratings into (roughly) equal sets.

SAMPLE_USERS

public static final CrossfoldMethod SAMPLE_USERS

Sample users for each partition.

Method Detail

values

public static CrossfoldMethod[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (CrossfoldMethod c : CrossfoldMethod.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static CrossfoldMethod valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null