org.lenskit.data.dao.file

Class Formats

java.lang.Object

org.lenskit.data.dao.file.Formats

public final class Formats
extends java.lang.Object

Utility methods relating to entity formats.

Constructor Summary

Constructors

Constructor and Description
Formats()

Method Summary

Modifier and Type	Method and Description
static DelimitedColumnEntityFormat	csvRatings() Read a CSV file of ratings without a header.
static DelimitedColumnEntityFormat	delimitedRatings(java.lang.String delim) Read a delimited text file of ratings without a header.
static DelimitedColumnEntityFormat	tsvRatings() Read a TSV file of ratings without a header.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Formats

public Formats()

Method Detail

csvRatings

public static DelimitedColumnEntityFormat csvRatings()

Read a CSV file of ratings without a header. The ratings are assumed to be in user, item, rating[, timestamp] format.

Returns:

An event format reading ratings without a header.

tsvRatings

public static DelimitedColumnEntityFormat tsvRatings()

Read a TSV file of ratings without a header. The ratings are assumed to be in user, item, rating[, timestamp] format.

Returns:

An event format reading ratings without a header.

delimitedRatings

public static DelimitedColumnEntityFormat delimitedRatings(java.lang.String delim)

Read a delimited text file of ratings without a header. The ratings are assumed to be in user, item, rating[, timestamp] format.

Parameters:

delim - The delimiter.

Returns:

An event format reading ratings without a header.