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News20 Class
20 Newsgroups dataset.
Inheritance Hierarchy
SystemObject
  Accord.DataSets.BaseWebDataSet
    Accord.DataSets.BaseSparseDataSet
      Accord.DataSetsNews20

Namespace:  Accord.DataSets
Assembly:  Accord.DataSets (in Accord.DataSets.dll) Version: 3.8.0
Syntax
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public class News20 : SparseDataSet
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The News20 type exposes the following members.

Constructors
  NameDescription
Public methodNews20
Downloads and prepares the News20 dataset.
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Properties
  NameDescription
Public propertyPath
Gets the path to the directory where the datasets will be stored.
(Inherited from WebDataSet.)
Public propertyTesting
Gets the testing set of the News20 dataset.
Public propertyTraining
Gets the training set of the News20 dataset.
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Methods
  NameDescription
Protected methodDownload
Downloads the dataset from a specified URL, saving it to disk, and returning it as a set of sparse vectors>. If the dataset already exists in the disk, it will not be redownloaded again.
(Inherited from SparseDataSet.)
Public methodEquals
Determines whether the specified object is equal to the current object.
(Inherited from Object.)
Protected methodFinalize
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.
(Inherited from Object.)
Public methodGetHashCode
Serves as the default hash function.
(Inherited from Object.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Protected methodMemberwiseClone
Creates a shallow copy of the current Object.
(Inherited from Object.)
Public methodToString
Returns a string that represents the current object.
(Inherited from Object.)
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Extension Methods
  NameDescription
Public Extension MethodHasMethod
Checks whether an object implements a method with the given name.
(Defined by ExtensionMethods.)
Public Extension MethodIsEqual
Compares two objects for equality, performing an elementwise comparison if the elements are vectors or matrices.
(Defined by Matrix.)
Public Extension MethodTo(Type)Overloaded.
Converts an object into another type, irrespective of whether the conversion can be done at compile time or not. This can be used to convert generic types to numeric types during runtime.
(Defined by ExtensionMethods.)
Public Extension MethodToTOverloaded.
Converts an object into another type, irrespective of whether the conversion can be done at compile time or not. This can be used to convert generic types to numeric types during runtime.
(Defined by ExtensionMethods.)
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Remarks
The 20 Newsgroups data set is a collection of approximately 20,000 newsgroup documents, partitioned (nearly) evenly across 20 different newsgroups. http://qwone.com/~jason/20Newsgroups/
See Also