MDSMethod

Full name Microsoft.VisualBasic.Math.LinearAlgebra.Matrix.MDSScale.MDSMethod Assembly Microsoft.VisualBasic.Math.Core Members 7

01 Syntax

Microsoft.VisualBasic.Math.LinearAlgebra.Matrix.MDSScale.MDSMethod

02 Methods

Name	Overloads	Summary
iterate	3	Perform 1 majorization iteration using this SMACOF instance.
weightMatrix	1	Element-wise matrix exponentiation for self-weighting of distances.

03 Properties

Name	Overloads	Summary
Dissimilarities	1
Weights	1
Positions	1

04 Members

method iterate #

iterate

Perform 1 majorization iteration using this SMACOF instance.

Returns

report

method iterate overload 3 #

iterate(Int32)

Perform n majorization iterations using this SMACOF instance.

Parameters

Name	Type	Description
`n`	`Int32`	number of iterations

Returns

report

method iterate overload 2 #

iterate(Int32, Int32)

Perform majorization iterations until the maximum number of iterations is reached, the maximum runtime has elapsed, or the change in normalized stress falls below the threshold, whichever comes first.

Parameters

Name	Type	Description
`iter`	`Int32`	maximum number of iterations
`threshold`	`Int32`	threshold for change in normalized stress

Returns

report

method weightMatrix #

weightMatrix(Double()(), Double)

Element-wise matrix exponentiation for self-weighting of distances.

Parameters

Name	Type	Description
`D`	`Double()()`	distance matrix or initial weights
`exponent`	`Double`	power to raise each element the matrix

Returns

exponentiated weights

property Dissimilarities #

Dissimilarities

property Weights #

Weights

property Positions #

Positions