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  • Extreme.Data.R
    • RAttributeCollection Class
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  • RAttributeCollection Class
    • RAttributeCollection Constructor
    • Properties
    • Methods
    • Fields

RAttributeCollection Class

Extreme Optimization Numerical Libraries for .NET Professional
Represents a collection of attributes of R objects.
Inheritance Hierarchy

SystemObject
  Extreme.Data.RRAttributeCollection

Namespace:  Extreme.Data.R
Assembly:  Extreme.Data (in Extreme.Data.dll) Version: 3.1.0
Syntax

C#
VB
C++
F#
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public class RAttributeCollection : IDictionary<string, RObject>, 
	ICollection<KeyValuePair<string, RObject>>, IEnumerable<KeyValuePair<string, RObject>>, 
	IEnumerable
Public Class RAttributeCollection
	Implements IDictionary(Of String, RObject), 
	ICollection(Of KeyValuePair(Of String, RObject)), IEnumerable(Of KeyValuePair(Of String, RObject)), 
	IEnumerable
public ref class RAttributeCollection : IDictionary<String^, RObject^>, 
	ICollection<KeyValuePair<String^, RObject^>>, IEnumerable<KeyValuePair<String^, RObject^>>, 
	IEnumerable
type RAttributeCollection =  
    class
        interface IDictionary<string, RObject>
        interface ICollection<KeyValuePair<string, RObject>>
        interface IEnumerable<KeyValuePair<string, RObject>>
        interface IEnumerable
    end

The RAttributeCollection type exposes the following members.

Constructors

  NameDescription
Public methodRAttributeCollection
Constructs a new attribute collection from a dictionary of items.
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Properties

  NameDescription
Public propertyCount
Gets the number of attributes in the collection.
Public propertyIsReadOnly
Gets whether the collection is read-only.
Public propertyItem
Gets or sets an attribute in the collection.
Public propertyKeys
Gets a collection of the names of the attributes.
Public propertyValues
Gets a collection of the values of the attributes.
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Methods

  NameDescription
Public methodAdd
Adds a new attribute to the collection.
Public methodClear
Removes all attributes from the collection.
Public methodContainsKey
Returns whether the collection contains an attribute with the specified name.
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 methodGetEnumerator
Returns an enumerator that iterates over the attributes in the collection.
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 methodRemove
Removes the attribute with the specified name from the collection.
Public methodToString
Returns a string that represents the current object.
(Inherited from Object.)
Public methodTryGetIntegers
Attempts to get the value of an integer vector attribute.
Public methodTryGetString
Attempts to get the value of a string attribute.
Public methodTryGetStrings
Attempts to get the value of a string vector attribute.
Public methodTryGetValue
Attempts to retrieve the value of the attribute with the specified key from the collection.
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Fields

  NameDescription
Public fieldStatic memberEmpty
Represents an empty, read-only attribute collection.
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Extension Methods

  NameDescription
Public Extension MethodGroupKeyValuePairString, RObjectOverloaded.
Returns a grouping by the unique elements in a sequence.
(Defined by Grouping.)
Public Extension MethodGroupKeyValuePairString, RObject(IEqualityComparerKeyValuePairString, RObject)Overloaded.
Returns a grouping by the unique elements in a sequence using the specified comparer to determine equality.
(Defined by Grouping.)
Public Extension MethodSumKeyValuePairString, RObjectOverloaded.
Computes the sum of the sequence of values.
(Defined by ArrayMath.)
Public Extension MethodSumKeyValuePairString, RObject, U(FuncKeyValuePairString, RObject, U)Overloaded.
Computes the sum of the sequence of values that are obtained by invoking a transform function on each element of the input sequence.
(Defined by ArrayMath.)
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Remarks

Use the RAttributeCollection class to access the attributes of an R object. The class is a dictionary that maps attribute names (strings) to attributes, which can be objects of any type.

See Also

Reference

Extreme.Data.R Namespace

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