org.datavec.api.records.writer.impl.misc

Class LibSvmRecordWriter

java.lang.Object

org.datavec.api.records.writer.impl.FileRecordWriter

org.datavec.api.records.writer.impl.misc.SVMLightRecordWriter

org.datavec.api.records.writer.impl.misc.LibSvmRecordWriter

All Implemented Interfaces:

Closeable, AutoCloseable, Configurable, RecordWriter

public class LibSvmRecordWriter
extends SVMLightRecordWriter

Record writer for libsvm format, which is closely related to SVMLight format. Similar to scikit-learn we use a single writer for both formats, so this class is a subclass of SVMLightRecordWriter.

Author:

Adam Gibson (original), dave@skymind.io

See Also:

Further details on the format can be found at
- http://svmlight.joachims.org/
- http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/multilabel.html
- http://scikit-learn.org/stable/modules/generated/sklearn.datasets.load_svmlight_file.html

Field Summary

Fields inherited from class org.datavec.api.records.writer.impl.misc.SVMLightRecordWriter

FEATURE_FIRST_COLUMN, FEATURE_LAST_COLUMN, featureFirstColumn, featureLastColumn, HAS_LABELS, hasLabel, LABEL_FIRST_COLUMN, LABEL_LAST_COLUMN, labelFirstColumn, labelLastColumn, multilabel, MULTILABEL, NAME_SPACE, UNLABELED, ZERO_BASED_INDEXING, ZERO_BASED_LABEL_INDEXING, zeroBasedIndexing, zeroBasedLabelIndexing

Fields inherited from class org.datavec.api.records.writer.impl.FileRecordWriter

conf, DEFAULT_CHARSET, encoding, NEW_LINE, out, partitioner

Fields inherited from interface org.datavec.api.records.writer.RecordWriter

APPEND

Constructor Summary

Constructors

Constructor and Description
LibSvmRecordWriter()

Method Summary

Methods inherited from class org.datavec.api.records.writer.impl.misc.SVMLightRecordWriter

setConf, supportsBatch, write, writeBatch

Methods inherited from class org.datavec.api.records.writer.impl.FileRecordWriter

close, getConf, initialize, initialize

Methods inherited from class java.lang.Object

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

Constructor Detail

LibSvmRecordWriter

public LibSvmRecordWriter()