OrdinalRankCalculatorTGetDescending Method (ICollectionT, ICollectionDouble, Int32, Int32)

Get objects which has number from starting to ending in descending order. Descending order: Minimal factor value gets maximal rank. Maximal factor value gets rank 1.

Namespace: FinAnalysis.Ranging
Assembly: FinAnalysis (in FinAnalysis.dll) Version: 2.1.13-cc97e13414b71fde928e8f3a546ac1daf26f295f

Syntax

Copy

public static T[] GetDescending(
	ICollection<T> objects,
	ICollection<double> factor,
	int starting,
	int ending
)

Parameters

objects: Type: System.Collections.GenericICollectionT
Collection of objects for ranking.
factor: Type: System.Collections.GenericICollectionDouble
Collection of factor values. factor[i] - value of factor on i-th object.
starting: Type: SystemInt32
Starting position.
ending: Type: SystemInt32
Ending position.

Return Value

Type: T
Objects which has number from starting to ending in descending order. It may return smaller count of objects if there are not enough objects with not-NaN values. In this case it will return objects from starting. If count of not-NaN objects smaller than starting method returns null.

Exceptions

Exception	Condition
ArgumentException	Thrown when collections count are not equal. Or if starting position greater than ending. Or if starting or ending position has some wrong value.

Reference

OrdinalRankCalculatorT Class

GetDescending Overload

FinAnalysis.Ranging Namespace