org.grouplens.lenskit.transform.clamp

Interface ClampingFunction

All Known Implementing Classes:

IdentityClampingFunction, RatingRangeClampingFunction

@DefaultImplementation(value=IdentityClampingFunction.class)
public interface ClampingFunction

Function for clamping user-item data, typically a preference or rating.

Since:

0.11

Method Summary

Modifier and Type	Method and Description
double	apply(long user, long item, double value) Clamp a value.

Method Detail

apply

double apply(long user,
             long item,
             double value)

Clamp a value.

Parameters:

user - The user ID.

item - The item ID.

value - The value to clamp.

Returns:

The clamped value.