• Extreme Optimization
  • Features
  • Solutions
  • Documentation
  • QuickStart Samples
  • Sample Applications
  • Downloads
  • Technical Support
  • Download trial
  • How to buy
  • Blog
  • Company
  • Resources
• Documentation
  • Introduction
  • Deployment Guide
  • Configuration
  • Using Parallelism
  • Mathematics Library User's Guide
  • Vector and Matrix Library User's Guide
  • Data Analysis Library User's Guide
  • Statistics Library User's Guide
  • Data Access Library User's Guide
  • Reference
• Reference
  • Extreme
  • Extreme.Collections
  • Extreme.Data
  • Extreme.Data.Json
  • Extreme.Data.Matlab
  • Extreme.Data.R
  • Extreme.Data.Stata
  • Extreme.Data.Text
  • Extreme.DataAnalysis
  • Extreme.DataAnalysis.Linq
  • Extreme.Mathematics
  • Extreme.Mathematics.Algorithms
  • Extreme.Mathematics.Calculus
  • Extreme.Mathematics.Calculus.OrdinaryDifferentialEquations
  • Extreme.Mathematics.Curves
  • Extreme.Mathematics.Curves.Nonlinear
  • Extreme.Mathematics.Distributed
  • Extreme.Mathematics.Distributed.Cuda
  • Extreme.Mathematics.EquationSolvers
  • Extreme.Mathematics.FSharp
  • Extreme.Mathematics.Generic
  • Extreme.Mathematics.Generic.LinearAlgebra
  • Extreme.Mathematics.Generic.LinearAlgebra.Implementation
  • Extreme.Mathematics.Generic.LinearAlgebra.Providers
  • Extreme.Mathematics.Generic.SignalProcessing
  • Extreme.Mathematics.Implementation
  • Extreme.Mathematics.LinearAlgebra
  • Extreme.Mathematics.LinearAlgebra.Complex
  • Extreme.Mathematics.LinearAlgebra.Complex.Decompositions
  • Extreme.Mathematics.LinearAlgebra.Implementation
  • Extreme.Mathematics.LinearAlgebra.IO
  • Extreme.Mathematics.LinearAlgebra.IterativeSolvers
  • Extreme.Mathematics.LinearAlgebra.IterativeSolvers.Preconditioners
  • Extreme.Mathematics.LinearAlgebra.Providers
  • Extreme.Mathematics.LinearAlgebra.Sparse
  • Extreme.Mathematics.Optimization
  • Extreme.Mathematics.Optimization.Genetic
  • Extreme.Mathematics.Optimization.LineSearches
  • Extreme.Mathematics.Random
  • Extreme.Mathematics.SignalProcessing
  • Extreme.Numerics.FSharp
  • Extreme.Statistics
  • Extreme.Statistics.Distributions
  • Extreme.Statistics.IO
  • Extreme.Statistics.Linq
  • Extreme.Statistics.Multivariate
  • Extreme.Statistics.Random
  • Extreme.Statistics.Tests
  • Extreme.Statistics.TimeSeriesAnalysis
• Extreme.DataAnalysis
  • Accumulator Class
  • Aggregator(T, U) Class
  • Aggregator2(T, U) Class
  • Aggregator2Group Class
  • Aggregator2Group(T) Class
  • AggregatorGroup Class
  • AggregatorGroup(T) Class
  • Aggregators Class
  • BoundaryIntervalBehavior Enumeration
  • CategoricalEncoding Class
  • DataFrame Class
  • DataFrame(R, C) Class
  • DataFrameRow(R, C) Class
  • DateTimeExtensions Class
  • DateTimeUnit Enumeration
  • Direction Enumeration
  • Grouping Class
  • Grouping(TKey) Class
  • Histogram Class
  • Histogram(T) Class
  • IAccumulator(T, U) Interface
  • IAccumulator2(T, U) Interface
  • IAccumulator2(T, U, V) Interface
  • IAggregator Interface
  • IAggregator(T) Interface
  • IAggregator2 Interface
  • IAggregator2(T) Interface
  • IDataFrame Interface
  • IGrouping Interface
  • IIndex Interface
  • Index Class
  • Index(T) Class
  • IntervalIndex(T) Class
  • IPivot Interface
  • JoinIndex Class
  • JoinType Enumeration
  • MissingValueAction Enumeration
  • MissingValueException Class
  • MultipleMissingValueAction Enumeration
  • Pivot Class
  • Pivot(R, C) Class
  • RankTiebreaker Enumeration
  • Recurrence Class
  • SortOrder Enumeration
  • SpecialBins Enumeration
  • TypePreservingAggregatorGroup Class
  • VectorExtensions Class
• DataFrame(R, C) Class
  • DataFrame(R, C) Constructor
  • Properties
  • Methods
  • Operators
• Properties
  • ColumnCount Property
  • ColumnIndex Property
  • Columns Property
  • Item Property Overloads
  • NamedColumns Property
  • NamedRows Property
  • RowCount Property
  • RowIndex Property
  • Rows Property

DataFrameR, C Properties

Extreme Optimization Numerical Libraries for .NET Professional

The DataFrameR, C generic type exposes the following members.

Properties

---

	Name	Description
	ColumnCount	Gets the number of columns in the data frame.
	ColumnIndex	Gets or sets the column index of the data frame.
	Columns	Gets an enumerator over the columns of the data frame.
	ItemInt32	Gets the column at the specified index.
	ItemC	Gets, sets or adds a column with the specified key.
	NamedColumns	Gets an enumerator over pairs of column key values and the corresponding columns.
	NamedRows	Gets an enumerator over pairs of row key values and the corresponding rows.
	RowCount	Gets the number of rows in the data frame.
	RowIndex	Gets the row index of the data frame.
	Rows	Gets an enumerator over the rows of the data frame.

Top

See Also

---

Reference

DataFrameR, C Class

Extreme.DataAnalysis Namespace

Copyright © 2004-20116, Extreme Optimization. All rights reserved.
Extreme Optimization, Complexity made simple, M#, and M Sharp are trademarks of ExoAnalytics Inc.
Microsoft, Visual C#, Visual Basic, Visual Studio, Visual Studio.NET, and the Optimized for Visual Studio logo
are registered trademarks of Microsoft Corporation.