Class SparseWriter

Writer for data files containing samples in libsvm's sparse format.
Inheritance
System.Object
SparseWriter
Implements
System.IDisposable
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Mars.Common.IO
Assembly: Mars.IO.dll
Syntax
public sealed class SparseWriter : IDisposable

Constructors

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SparseWriter(Stream, Encoding)

Initializes a new instance of the SparseWriter class.
Declaration
public SparseWriter(Stream stream, Encoding encoding = null)
Parameters
Type Name Description
System.IO.Stream stream The file stream to be written.
System.Text.Encoding encoding The encoding tu use when reading the sparse matrix
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SparseWriter(String, Encoding)

Initializes a new instance of the SparseWriter class.
Declaration
public SparseWriter(string path, Encoding encoding)
Parameters
Type Name Description
System.String path The complete file path to be written.
System.Text.Encoding encoding The character encoding to use.

Properties

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BaseStream

Returns the underlying stream.
Declaration
public Stream BaseStream { get; }
Property Value
Type Description
System.IO.Stream

Methods

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Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
Declaration
public void Dispose()
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Finalize()

Releases unmanaged resources and performs other cleanup operations before the SparseReader is reclaimed by garbage collection.
Declaration
protected void Finalize()
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Write(Sparse<Double>, Double)

Writes the given feature vector and associated output label/value to the file.
Declaration
public void Write(Sparse<double> feature, double output)
Parameters
Type Name Description
Sparse<System.Double> feature The feature vector to be written.
System.Double output The output value to be written.
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Write(Sparse<Double>[], Boolean[])

Writes the given feature vectors and associated output label/value to the file.
Declaration
public void Write(Sparse<double>[] features, bool[] outputs)
Parameters
Type Name Description
Sparse<System.Double>[] features The array of feature vectors to be written.
System.Boolean[] outputs The array of output values to be written.
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Write(Double[], Boolean)

Writes the given feature vector and associated output label/value to the file.
Declaration
public void Write(double[] feature, bool output)
Parameters
Type Name Description
System.Double[] feature The feature vector to be written.
System.Boolean output The output value to be written.
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Write(Double[], Double)

Writes the given feature vector and associated output label/value to the file.
Declaration
public void Write(double[] feature, double output)
Parameters
Type Name Description
System.Double[] feature The feature vector to be written.
System.Double output The output value to be written.
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Write(Double[][], Boolean[])

Writes the given feature vectors and associated output label/value to the file.
Declaration
public void Write(double[][] features, bool[] outputs)
Parameters
Type Name Description
System.Double[][] features The array of feature vectors to be written.
System.Boolean[] outputs The array of output values to be written.

Implements

System.IDisposable

Extension Methods